diff --git a/drfautoapi/drfautoapi.py b/drfautoapi/drfautoapi.py
index e0fd0c348..ba0c4decb 100644
--- a/drfautoapi/drfautoapi.py
+++ b/drfautoapi/drfautoapi.py
@@ -12,7 +12,7 @@ from django.db.models.base import ModelBase
 from django.db.models.fields import TextField, CharField
 from django.db.models.fields.files import FileField
 from django.template.defaultfilters import capfirst
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import django_filters
 from django_filters.constants import ALL_FIELDS, EMPTY_VALUES
 from django_filters.filters import CharFilter
diff --git a/sapl/api/apps.py b/sapl/api/apps.py
index f8adf670b..eb66f400b 100644
--- a/sapl/api/apps.py
+++ b/sapl/api/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/api/forms.py b/sapl/api/forms.py
index 79238f873..995d9d962 100644
--- a/sapl/api/forms.py
+++ b/sapl/api/forms.py
@@ -2,7 +2,7 @@ import logging
 
 from django.db.models import Q
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django_filters.filters import CharFilter, DateFilter, ModelChoiceFilter
 from django_filters.filterset import FilterSet
 from rest_framework import serializers
diff --git a/sapl/audiencia/apps.py b/sapl/audiencia/apps.py
index e9b3c890f..1b64f9656 100644
--- a/sapl/audiencia/apps.py
+++ b/sapl/audiencia/apps.py
@@ -1,8 +1,8 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
     name = 'sapl.audiencia'
     label = 'audiencia'
-    verbose_name = _('Audiência Pública')
\ No newline at end of file
+    verbose_name = _('Audiência Pública')
diff --git a/sapl/audiencia/forms.py b/sapl/audiencia/forms.py
index 211db9855..9629ccf40 100755
--- a/sapl/audiencia/forms.py
+++ b/sapl/audiencia/forms.py
@@ -5,7 +5,7 @@ from datetime import datetime
 from django import forms
 from django.core.exceptions import ObjectDoesNotExist, ValidationError
 from django.db import transaction
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from crispy_forms.layout import Button, Column, Fieldset, HTML, Layout
 
diff --git a/sapl/audiencia/models.py b/sapl/audiencia/models.py
index e5d011762..1b265140c 100755
--- a/sapl/audiencia/models.py
+++ b/sapl/audiencia/models.py
@@ -1,6 +1,6 @@
 from django.db import models
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_utils import Choices
 from sapl.materia.models import MateriaLegislativa
 from sapl.parlamentares.models import (CargoMesa, Parlamentar)
diff --git a/sapl/base/admin.py b/sapl/base/admin.py
index c7df7ca63..9289254b3 100644
--- a/sapl/base/admin.py
+++ b/sapl/base/admin.py
@@ -1,6 +1,6 @@
 from django.contrib import admin
 from django.shortcuts import redirect
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from sapl.base.models import AuditLog
 from sapl.utils import register_all_models_in_admin
diff --git a/sapl/base/apps.py b/sapl/base/apps.py
index 403d74bd1..b362fbda3 100644
--- a/sapl/base/apps.py
+++ b/sapl/base/apps.py
@@ -1,6 +1,6 @@
 
 import django
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(django.apps.AppConfig):
diff --git a/sapl/base/email_utils.py b/sapl/base/email_utils.py
index 3ccf64690..95d51281c 100644
--- a/sapl/base/email_utils.py
+++ b/sapl/base/email_utils.py
@@ -11,7 +11,7 @@ from sapl.materia.models import AcompanhamentoMateria
 from sapl.protocoloadm.models import AcompanhamentoDocumento
 from sapl.settings import EMAIL_SEND_USER
 from sapl.utils import mail_service_configured
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 def load_email_templates(templates, context={}):
diff --git a/sapl/base/forms.py b/sapl/base/forms.py
index 092206429..802838889 100644
--- a/sapl/base/forms.py
+++ b/sapl/base/forms.py
@@ -16,7 +16,7 @@ from django.db.models import Q
 from django.forms import Form, ModelForm
 from django.utils import timezone
 from django.utils.safestring import mark_safe
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import django_filters
 from haystack.forms import ModelSearchForm
 
@@ -313,7 +313,7 @@ class UserAdminForm(ModelForm):
                 )
 
         """
-        
+
         if 'email' in data and data['email']:
             duplicidade = get_user_model().objects.filter(email=data['email'])
             if self.instance.id:
diff --git a/sapl/base/models.py b/sapl/base/models.py
index e0f00bbf2..7f33a0623 100644
--- a/sapl/base/models.py
+++ b/sapl/base/models.py
@@ -7,7 +7,7 @@ from django.db import models
 from django.db.models.deletion import CASCADE
 from django.db.models.signals import post_migrate
 from django.db.utils import DEFAULT_DB_ALIAS
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from sapl.utils import (LISTA_DE_UFS, YES_NO_CHOICES,
                         get_settings_auth_user_model, models_with_gr_for_model)
diff --git a/sapl/base/receivers.py b/sapl/base/receivers.py
index 595323197..82adfa9cf 100644
--- a/sapl/base/receivers.py
+++ b/sapl/base/receivers.py
@@ -14,7 +14,7 @@ from django.db.models.signals import post_delete, post_save, \
 from django.db.utils import DEFAULT_DB_ALIAS
 from django.dispatch import receiver
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from sapl.base.email_utils import do_envia_email_tramitacao
 from sapl.base.models import AuditLog, TipoAutor, Autor, Metadata
diff --git a/sapl/base/templatetags/menus.py b/sapl/base/templatetags/menus.py
index 65ecdcfec..9ff123da9 100644
--- a/sapl/base/templatetags/menus.py
+++ b/sapl/base/templatetags/menus.py
@@ -2,7 +2,7 @@ import logging
 
 from django import template
 from django.urls import reverse
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import yaml
 
 
@@ -145,7 +145,7 @@ def resolve_urls_inplace(menu, pk, rm, context):
                             Erro na construção do Menu:
                             menu: {}
                             url: {}
-                            1) Verifique se a url existe 
+                            1) Verifique se a url existe
                             2) Se existe no contexto um desses itens:
                                 - context['root_pk'] pk do master
                                 - context['object'] objeto do master
@@ -165,7 +165,7 @@ def resolve_urls_inplace(menu, pk, rm, context):
                             log = """Erro na construção do Menu:
                             menu: {}
                             url: {}
-                            1) Verifique se a url existe 
+                            1) Verifique se a url existe
                             2) Se existe no contexto um desses itens:
                                 - context['root_pk'] pk do master
                                 - context['object'] objeto do master
diff --git a/sapl/base/tests/test_form.py b/sapl/base/tests/test_form.py
index 35f1c82bf..d6a8c4b25 100644
--- a/sapl/base/tests/test_form.py
+++ b/sapl/base/tests/test_form.py
@@ -1,5 +1,5 @@
 import pytest
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from sapl.base.forms import CasaLegislativaForm
 
diff --git a/sapl/base/tests/test_view_base.py b/sapl/base/tests/test_view_base.py
index 3a38d379c..b9cac78c3 100644
--- a/sapl/base/tests/test_view_base.py
+++ b/sapl/base/tests/test_view_base.py
@@ -2,7 +2,7 @@ import pytest
 from model_bakery import baker
 import datetime
 from django.urls import reverse
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_bakery import baker
 
 from sapl.base.models import Autor, TipoAutor
@@ -404,7 +404,7 @@ def test_lista_anexados_ciclicas():
                 sigla="TT",
                 descricao="Tipo_Teste"
         )
-        
+
         documento_a = baker.make(
                 DocumentoAdministrativo,
                 tipo=tipo_documento,
@@ -550,7 +550,7 @@ def test_lista_anexados_ciclicas():
                 data_apresentacao="2019-05-08",
                 regime_tramitacao=regime_tramitacao,
                 tipo=tipo_materia
-        ) 
+        )
 
         baker.make(
                 Anexada,
diff --git a/sapl/base/views.py b/sapl/base/views.py
index 8417c0021..8eb8b8bc6 100644
--- a/sapl/base/views.py
+++ b/sapl/base/views.py
@@ -24,7 +24,7 @@ from django.utils import timezone
 from django.utils.decorators import method_decorator
 from django.utils.encoding import force_bytes
 from django.utils.http import urlsafe_base64_decode, urlsafe_base64_encode
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.views.generic import (FormView, ListView)
 from django.views.generic.base import RedirectView, TemplateView
 from django_filters.views import FilterView
diff --git a/sapl/comissoes/apps.py b/sapl/comissoes/apps.py
index 18cb03041..49a63c70c 100644
--- a/sapl/comissoes/apps.py
+++ b/sapl/comissoes/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/comissoes/forms.py b/sapl/comissoes/forms.py
index 76f511ed2..5084e020c 100644
--- a/sapl/comissoes/forms.py
+++ b/sapl/comissoes/forms.py
@@ -9,7 +9,7 @@ from django.core.exceptions import ValidationError
 from django.db import transaction
 from django.db.models import Q
 from django.forms import ModelForm
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.utils import timezone
 
 from sapl.base.models import Autor, TipoAutor
@@ -443,10 +443,10 @@ class ReuniaoForm(ModelForm):
 
         if upload_pauta:
             validar_arquivo(upload_pauta, "Pauta da Reunião")
-        
+
         if upload_ata:
             validar_arquivo(upload_ata, "Ata da Reunião")
-        
+
         if upload_anexo:
             validar_arquivo(upload_anexo, "Anexo da Reunião")
 
@@ -474,7 +474,7 @@ class PautaReuniaoFilterSet(django_filters.FilterSet):
         self.form.helper.form_method = "GET"
         self.form.helper.layout = Layout(
             Fieldset(
-                _("Pesquisa de Matérias"), row1, row2, 
+                _("Pesquisa de Matérias"), row1, row2,
                 form_actions(label="Pesquisar")
             )
         )
diff --git a/sapl/comissoes/models.py b/sapl/comissoes/models.py
index 2d9a323d3..0245a2d8a 100644
--- a/sapl/comissoes/models.py
+++ b/sapl/comissoes/models.py
@@ -1,5 +1,5 @@
 from django.db import models
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_utils import Choices
 
 from sapl.base.models import Autor
diff --git a/sapl/comissoes/views.py b/sapl/comissoes/views.py
index 5d3e450c2..d95fb3223 100644
--- a/sapl/comissoes/views.py
+++ b/sapl/comissoes/views.py
@@ -10,7 +10,7 @@ from django.views.generic import CreateView, DeleteView, FormView, ListView
 from django.views.generic.base import RedirectView
 from django.views.generic.detail import DetailView
 from django.views.generic.edit import FormMixin, UpdateView
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from django_filters.views import FilterView
 
@@ -19,7 +19,7 @@ from sapl.comissoes.apps import AppConfig
 from sapl.comissoes.forms import (ComissaoForm, ComposicaoForm,
                                   DocumentoAcessorioCreateForm,
                                   DocumentoAcessorioEditForm,
-                                  ParticipacaoCreateForm, 
+                                  ParticipacaoCreateForm,
                                   ParticipacaoEditForm,
                                   PautaReuniaoFilterSet, PautaReuniaoForm,
                                   PeriodoForm, ReuniaoForm)
@@ -186,7 +186,7 @@ def lista_materias_comissao(comissao_pk):
     materias = MateriaEmTramitacao.objects.filter(
         tramitacao__unidade_tramitacao_destino__comissao=comissao_pk
     ).order_by('materia__tipo', '-materia__ano', '-materia__numero')
- 
+
     return materias
 
 
@@ -229,14 +229,14 @@ class ReuniaoCrud(MasterDetailCrud):
             mats = []
             materias_pauta = PautaReuniao.objects.filter(reuniao=self.kwargs['pk'])
             materias_pk = [materia_pauta.materia.pk for materia_pauta in materias_pauta]
-            
+
             context['mats'] = MateriaLegislativa.objects.filter(
                 pk__in=materias_pk
             ).order_by('tipo', '-ano', 'numero')
             context['num_mats'] = len(context['mats'])
 
             context['reuniao_pk'] = self.kwargs['pk']
-            
+
             return context
 
     class ListView(MasterDetailCrud.ListView):
@@ -307,7 +307,7 @@ class RemovePautaView(PermissionRequiredMixin, CreateView):
 
         materias_pauta = PautaReuniao.objects.filter(reuniao=context['object'])
         materias_pk = [materia_pauta.materia.pk for materia_pauta in materias_pauta]
-        
+
         context['materias'] = MateriaLegislativa.objects.filter(
             pk__in=materias_pk
         ).order_by('tipo', '-ano', 'numero')
@@ -366,16 +366,16 @@ class AdicionaPautaView(PermissionRequiredMixin, FilterView):
         context['show_results'] = show_results_filter_set(qr)
 
         return context
-    
+
     def post(self, request, *args, **kwargs):
-        success_url = reverse('sapl.comissoes:reuniao_detail', kwargs={'pk':kwargs['pk']}) 
+        success_url = reverse('sapl.comissoes:reuniao_detail', kwargs={'pk':kwargs['pk']})
         marcadas = request.POST.getlist('materia_id')
 
         if not marcadas:
             msg = _('Nenhuma máteria foi selecionada.')
             messages.add_message(request, messages.WARNING, msg)
             return HttpResponseRedirect(success_url)
-            
+
         reuniao = Reuniao.objects.get(pk=kwargs['pk'])
         pautas = []
         for materia in MateriaLegislativa.objects.filter(id__in=marcadas):
@@ -384,7 +384,7 @@ class AdicionaPautaView(PermissionRequiredMixin, FilterView):
                  pauta.materia = materia
                  pautas.append(pauta)
         PautaReuniao.objects.bulk_create(pautas)
-        
+
         msg = _('Matéria(s) adicionada(s) com sucesso!')
         messages.add_message(request, messages.SUCCESS, msg)
         return HttpResponseRedirect(success_url)
diff --git a/sapl/compilacao/apps.py b/sapl/compilacao/apps.py
index 0e8105a64..f786fb36b 100644
--- a/sapl/compilacao/apps.py
+++ b/sapl/compilacao/apps.py
@@ -3,7 +3,7 @@ from django import apps
 from django.conf import settings
 from django.db import connection, models
 from django.db.utils import DEFAULT_DB_ALIAS, IntegrityError
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/compilacao/forms.py b/sapl/compilacao/forms.py
index 18c24cf1f..3423cc7e8 100644
--- a/sapl/compilacao/forms.py
+++ b/sapl/compilacao/forms.py
@@ -12,7 +12,7 @@ from django.forms import widgets
 from django.forms.forms import Form
 from django.forms.models import ModelForm
 from django.template import defaultfilters
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from image_cropping.widgets import CropWidget, ImageCropWidget
 from model_utils.choices import Choices
 
diff --git a/sapl/compilacao/models.py b/sapl/compilacao/models.py
index 783e28ce0..da5d6b8b0 100644
--- a/sapl/compilacao/models.py
+++ b/sapl/compilacao/models.py
@@ -10,7 +10,7 @@ from django.template import defaultfilters
 from django.utils import timezone
 from django.utils.decorators import classonlymethod
 from django.utils.encoding import force_text
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from image_cropping.fields import ImageCropField, ImageRatioField
 
 from sapl.compilacao.utils import (get_integrations_view_names, int_to_letter,
diff --git a/sapl/compilacao/templatetags/compilacao_filters.py b/sapl/compilacao/templatetags/compilacao_filters.py
index cc21b8eb7..0e8d896ae 100644
--- a/sapl/compilacao/templatetags/compilacao_filters.py
+++ b/sapl/compilacao/templatetags/compilacao_filters.py
@@ -3,7 +3,7 @@ from django import template
 from django.core.signing import Signer
 from django.db.models import Q
 from django.utils.safestring import mark_safe
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from sapl.compilacao.models import Dispositivo
 
diff --git a/sapl/compilacao/views.py b/sapl/compilacao/views.py
index 9afbe3201..da6b2c7c0 100644
--- a/sapl/compilacao/views.py
+++ b/sapl/compilacao/views.py
@@ -22,7 +22,7 @@ from django.shortcuts import get_object_or_404, redirect
 from django.urls import reverse, reverse_lazy
 from django.utils.dateparse import parse_date
 from django.utils.encoding import force_text
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.views.generic.base import TemplateView
 from django.views.generic.detail import DetailView
 from django.views.generic.edit import (CreateView, DeleteView, FormView,
@@ -1956,7 +1956,7 @@ class ActionDeleteDispositivoMixin(ActionsCommonsMixin):
                     continua internos extra bloco.
                     Depois do bloco limpo, a função é chamada novamente para
                     excluir realmente a escolha do usuário
-                    e religar seus irmaos  
+                    e religar seus irmaos
                     """
                     self.remover_dispositivo(base, False)
 
@@ -3225,14 +3225,14 @@ class DispositivoSearchFragmentFormView(ListView):
                 AND_CONTROLS = 'AND td.dispositivo_de_alteracao = false'
             else:
                 if df == 'alterador':
-                    AND_CONTROLS = '''AND td.dispositivo_de_alteracao = true 
+                    AND_CONTROLS = '''AND td.dispositivo_de_alteracao = true
                                     AND td.dispositivo_de_articulacao = true'''
 
             texto = list(map("d.texto ~* '{}'".format, texto))
             AND_TEXTO_ROTULO = ''
             if str_texto and rotulo:
                 AND_TEXTO_ROTULO = '''AND (  ({BUSCA_TEXTO} AND d.rotulo ~* '{BUSCA_ROTULO}')  OR
-                                         ({BUSCA_TEXTO} AND d.rotulo = '' AND dp.rotulo ~* '{BUSCA_ROTULO}')  
+                                         ({BUSCA_TEXTO} AND d.rotulo = '' AND dp.rotulo ~* '{BUSCA_ROTULO}')
                                       )'''.format(
                     BUSCA_TEXTO=' AND '.join(texto),
                     BUSCA_ROTULO=rotulo
@@ -3255,29 +3255,29 @@ class DispositivoSearchFragmentFormView(ListView):
                     gfk_field_type_id=tipo_model.id,
                 )
 
-            sql = ''' 
-                SELECT d.* FROM compilacao_dispositivo d 
+            sql = '''
+                SELECT d.* FROM compilacao_dispositivo d
                     JOIN compilacao_dispositivo dp on (d.dispositivo_pai_id = dp.id)
                     JOIN compilacao_tipodispositivo td on (d.tipo_dispositivo_id = td.id)
-                    JOIN compilacao_textoarticulado ta on (d.ta_id = ta.id) 
-                    
+                    JOIN compilacao_textoarticulado ta on (d.ta_id = ta.id)
+
                     {JOIN_TYPE_MODEL_SELECTED}
-                    
+
                     where d.nivel > 0
-                    
+
                     {AND_TYPE_MODEL_SELECTED}
-                    
+
                     {AND_TEXTO_ROTULO}
                     {AND1_NUMERO}
                     {AND2_ANO}
                     {AND3_TIPO_TA}
                     {AND_CONTROLS}
-                   
-                    order by ta.data desc, 
-                            ta.numero desc, 
-                            ta.id desc, 
-                            d.ordem 
-                    {limit}; 
+
+                    order by ta.data desc,
+                            ta.numero desc,
+                            ta.id desc,
+                            d.ordem
+                    {limit};
                 '''.format(
 
                 limit='limit {}'.format(limit) if limit else '',
diff --git a/sapl/context_processors.py b/sapl/context_processors.py
index 2b8a422cb..9c9adbc5a 100644
--- a/sapl/context_processors.py
+++ b/sapl/context_processors.py
@@ -1,7 +1,7 @@
 import logging
 
 from django.conf import settings
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from sapl.utils import google_recaptcha_configured as google_recaptcha_configured_utils, sapn_is_enabled
 from sapl.utils import mail_service_configured as mail_service_configured_utils
diff --git a/sapl/crud/base.py b/sapl/crud/base.py
index 7c2eb4c6c..875c76c88 100644
--- a/sapl/crud/base.py
+++ b/sapl/crud/base.py
@@ -16,7 +16,7 @@ from django.shortcuts import redirect
 from django.urls import reverse
 from django.utils.decorators import classonlymethod
 from django.utils.encoding import force_text
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.views.generic import (CreateView, DeleteView, DetailView, ListView,
                                   UpdateView)
 from django.views.generic.base import ContextMixin
diff --git a/sapl/decorators.py b/sapl/decorators.py
index a377c954b..7f7ca14e6 100644
--- a/sapl/decorators.py
+++ b/sapl/decorators.py
@@ -1,7 +1,7 @@
 from functools import wraps
 
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 def vigencia_atual(decorated_method):
diff --git a/sapl/lexml/apps.py b/sapl/lexml/apps.py
index 3a8bb3c72..25982c489 100644
--- a/sapl/lexml/apps.py
+++ b/sapl/lexml/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/lexml/forms.py b/sapl/lexml/forms.py
index 7904508af..8ac7e8a2b 100644
--- a/sapl/lexml/forms.py
+++ b/sapl/lexml/forms.py
@@ -1,7 +1,7 @@
 from django.core.exceptions import ValidationError
 from django.forms import ModelForm
 from sapl.settings import PROJECT_DIR
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from io import StringIO
 from lxml import etree
diff --git a/sapl/lexml/models.py b/sapl/lexml/models.py
index 1a5d27144..7218e974d 100644
--- a/sapl/lexml/models.py
+++ b/sapl/lexml/models.py
@@ -1,5 +1,5 @@
 from django.db import models
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class LexmlProvedor(models.Model):  # LexmlRegistroProvedor
diff --git a/sapl/materia/apps.py b/sapl/materia/apps.py
index 3ac053d1b..a8ee2425d 100644
--- a/sapl/materia/apps.py
+++ b/sapl/materia/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/materia/forms.py b/sapl/materia/forms.py
index ce1b41da7..074150961 100644
--- a/sapl/materia/forms.py
+++ b/sapl/materia/forms.py
@@ -15,7 +15,7 @@ from django.forms.models import ModelMultipleChoiceField
 from django.forms.widgets import CheckboxSelectMultiple, HiddenInput, Select
 from django.urls import reverse
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import django_filters
 
 from sapl.base.models import AppConfig as BaseAppConfig, Autor, TipoAutor
diff --git a/sapl/materia/models.py b/sapl/materia/models.py
index 4628695ee..8fc3eaeb2 100644
--- a/sapl/materia/models.py
+++ b/sapl/materia/models.py
@@ -8,7 +8,7 @@ from django.db import models
 from django.db.models.functions import Concat
 from django.template import defaultfilters
 from django.utils import formats, timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_utils import Choices
 
 from sapl.base.models import SEQUENCIA_NUMERACAO_PROTOCOLO, Autor
@@ -934,7 +934,7 @@ class Proposicao(models.Model):
 
     """
     Ao ser recebida, irá gerar uma nova matéria ou um documento acessorio de uma já existente
-    
+
     materia_gerada = models.ForeignKey(
         MateriaLegislativa,
         blank=True,
diff --git a/sapl/materia/views.py b/sapl/materia/views.py
index d6742c00a..c8239c38f 100644
--- a/sapl/materia/views.py
+++ b/sapl/materia/views.py
@@ -25,7 +25,7 @@ from django.template import loader
 from django.urls import reverse
 from django.utils import formats, timezone
 from django.utils.encoding import force_text
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.views.generic import CreateView, ListView, TemplateView, UpdateView
 from django.views.generic.base import RedirectView
 from django.views.generic.edit import FormView
diff --git a/sapl/norma/apps.py b/sapl/norma/apps.py
index effd4f271..593a172fa 100644
--- a/sapl/norma/apps.py
+++ b/sapl/norma/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/norma/forms.py b/sapl/norma/forms.py
index 53f88c141..1da443981 100644
--- a/sapl/norma/forms.py
+++ b/sapl/norma/forms.py
@@ -7,7 +7,7 @@ from django.core.exceptions import ObjectDoesNotExist, ValidationError
 from django.db.models import Q
 from django.forms import ModelChoiceField, ModelForm, widgets
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import django_filters
 
 from sapl.base.models import TipoAutor
diff --git a/sapl/norma/models.py b/sapl/norma/models.py
index cd8a81745..548ec0e7d 100644
--- a/sapl/norma/models.py
+++ b/sapl/norma/models.py
@@ -2,7 +2,7 @@ from django.contrib.contenttypes.fields import GenericRelation
 from django.db import models
 from django.template import defaultfilters
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_utils import Choices
 
 from sapl.base.models import Autor
diff --git a/sapl/norma/tests/test_norma.py b/sapl/norma/tests/test_norma.py
index 52f810b91..2b8cdfa3c 100644
--- a/sapl/norma/tests/test_norma.py
+++ b/sapl/norma/tests/test_norma.py
@@ -1,5 +1,5 @@
 from django.urls import reverse
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_bakery import baker
 import pytest
 
diff --git a/sapl/norma/views.py b/sapl/norma/views.py
index ce5c1a365..668069a2f 100644
--- a/sapl/norma/views.py
+++ b/sapl/norma/views.py
@@ -13,7 +13,7 @@ from django.urls import reverse
 from django.urls.base import reverse_lazy
 from django.utils import timezone
 from django.utils.encoding import force_text
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.views.generic import TemplateView, UpdateView
 from django.views.generic.edit import FormView
 from django_filters.views import FilterView
diff --git a/sapl/painel/apps.py b/sapl/painel/apps.py
index 7cd1002ec..e44c55f55 100644
--- a/sapl/painel/apps.py
+++ b/sapl/painel/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/painel/models.py b/sapl/painel/models.py
index 8a178e6c2..fb3de6a2b 100644
--- a/sapl/painel/models.py
+++ b/sapl/painel/models.py
@@ -1,5 +1,5 @@
 from django.db import models
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class Painel(models.Model):
diff --git a/sapl/painel/views.py b/sapl/painel/views.py
index a4c9e2da3..268a36057 100644
--- a/sapl/painel/views.py
+++ b/sapl/painel/views.py
@@ -11,7 +11,7 @@ from django.http import HttpResponse, JsonResponse
 from django.http.response import Http404, HttpResponseRedirect
 from django.shortcuts import render
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from sapl.base.models import AppConfig as ConfiguracoesAplicacao
 from sapl.base.models import CasaLegislativa
@@ -202,7 +202,7 @@ def can_vote(context, context_vars, request):
 def votante_view(request):
     logger = logging.getLogger(__name__)
     username = request.user.username if request.user.is_authenticated else 'AnonymousUser'
- 
+
     # Pega o votante relacionado ao usuário
     template_name = 'painel/voto_nominal.html'
     context = {}
@@ -215,7 +215,7 @@ def votante_view(request):
         else:
             raise ObjectDoesNotExist
     except ObjectDoesNotExist:
-        logger.error(f"user={username}. Usuário (user={request.user}) não cadastrado como votante na tela de parlamentares. " 
+        logger.error(f"user={username}. Usuário (user={request.user}) não cadastrado como votante na tela de parlamentares. "
                      "Contate a administração de sua Casa Legislativa!")
         msg = _("Usuário não cadastrado como votante na tela de parlamentares. Contate a administração de sua Casa Legislativa!")
         context.update({'error_message': msg})
@@ -365,7 +365,7 @@ def get_presentes(pk, response, materia):
     else:
         presentes = SessaoPlenariaPresenca.objects.filter(
             sessao_plenaria_id=pk)
-    
+
     sessao = SessaoPlenaria.objects.get(id=pk)
     num_presentes = len(presentes)
     data_sessao = sessao.data_inicio
@@ -555,7 +555,7 @@ def get_dados_painel(request, pk):
     if casa and app_config and (bool(casa.logotipo)):
         brasao = casa.logotipo.url \
             if app_config.mostrar_brasao_painel else None
-    
+
     response = {
         'sessao_plenaria': str(sessao),
         'sessao_plenaria_data': sessao.data_inicio.strftime('%d/%m/%Y'),
@@ -616,7 +616,7 @@ def get_dados_painel(request, pk):
         (not ultimo_timestamp and last_expediente_leitura):
         ordem_expediente = last_expediente_leitura.expediente
         ultimo_timestamp = last_expediente_leitura.data_hora
-    
+
     if ordem_expediente:
         return JsonResponse(get_votos(
                             get_presentes(pk, response, ordem_expediente),
diff --git a/sapl/parlamentares/apps.py b/sapl/parlamentares/apps.py
index 41f6d0b38..bb357afce 100644
--- a/sapl/parlamentares/apps.py
+++ b/sapl/parlamentares/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/parlamentares/forms.py b/sapl/parlamentares/forms.py
index 89ab424f5..0aa0479b3 100755
--- a/sapl/parlamentares/forms.py
+++ b/sapl/parlamentares/forms.py
@@ -11,7 +11,7 @@ from django.db import transaction
 from django.db.models import Q
 from django.forms import ModelForm
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import django_filters
 from image_cropping.widgets import CropWidget, ImageCropWidget
 
diff --git a/sapl/parlamentares/models.py b/sapl/parlamentares/models.py
index 42b314ac2..f8c6a065a 100644
--- a/sapl/parlamentares/models.py
+++ b/sapl/parlamentares/models.py
@@ -1,7 +1,7 @@
 
 from django.db import models
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from image_cropping.fields import ImageCropField, ImageRatioField
 from model_utils import Choices
 from prompt_toolkit.key_binding.bindings.named_commands import self_insert
diff --git a/sapl/parlamentares/tests/test_parlamentares.py b/sapl/parlamentares/tests/test_parlamentares.py
index 4e69cd375..0c0b20038 100644
--- a/sapl/parlamentares/tests/test_parlamentares.py
+++ b/sapl/parlamentares/tests/test_parlamentares.py
@@ -1,6 +1,6 @@
 import pytest
 from django.urls import reverse
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_bakery import baker
 
 from sapl.parlamentares.forms import FrenteForm, LegislaturaForm, MandatoForm
@@ -314,7 +314,7 @@ def test_legislatura_form_numeros_invalidos():
                                  data_inicio='2002-02-01',
                                  data_fim='2005-12-31',
                                  data_eleicao='2001-11-01')
-        
+
         legislatura2 = baker.make(Legislatura, pk=3,
                                  numero=3,
                                  data_inicio='2008-02-01',
diff --git a/sapl/parlamentares/views.py b/sapl/parlamentares/views.py
index fca027f01..a1f0beccd 100644
--- a/sapl/parlamentares/views.py
+++ b/sapl/parlamentares/views.py
@@ -16,7 +16,7 @@ from django.templatetags.static import static
 from django.urls import reverse, reverse_lazy
 from django.utils import timezone
 from django.utils.datastructures import MultiValueDictKeyError
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.views.decorators.clickjacking import xframe_options_exempt
 from django.views.generic import FormView
 from django.views.generic.edit import UpdateView
diff --git a/sapl/protocoloadm/apps.py b/sapl/protocoloadm/apps.py
index 8697e58d9..306ce5f9b 100644
--- a/sapl/protocoloadm/apps.py
+++ b/sapl/protocoloadm/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/protocoloadm/forms.py b/sapl/protocoloadm/forms.py
index 58223f21c..baf4199d3 100644
--- a/sapl/protocoloadm/forms.py
+++ b/sapl/protocoloadm/forms.py
@@ -11,7 +11,7 @@ from django.db import transaction
 from django.db.models import Max
 from django.forms import ModelForm
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import django_filters
 
 from sapl.base.models import Autor, TipoAutor, AppConfig
@@ -388,9 +388,9 @@ class ProtocoloDocumentoForm(ModelForm):
             (Div(), 2),
             (Alert(
                 """
-                Usuário: <strong>{}</strong> - {}<br> 
+                Usuário: <strong>{}</strong> - {}<br>
                 IP: <strong>{}</strong> - {}<br>
-                
+
                 """.format(
                     kwargs['initial']['user_data_hora_manual'],
                     Protocolo._meta.get_field(
@@ -570,9 +570,9 @@ class ProtocoloMateriaForm(ModelForm):
             (Div(), 2),
             (Alert(
                 """
-                Usuário: <strong>{}</strong> - {}<br> 
+                Usuário: <strong>{}</strong> - {}<br>
                 IP: <strong>{}</strong> - {}<br>
-                
+
                 """.format(
                     kwargs['initial']['user_data_hora_manual'],
                     Protocolo._meta.get_field(
diff --git a/sapl/protocoloadm/models.py b/sapl/protocoloadm/models.py
index 3cdf32735..e947a7d2f 100644
--- a/sapl/protocoloadm/models.py
+++ b/sapl/protocoloadm/models.py
@@ -3,7 +3,7 @@ import re
 from django.db import models
 from django.utils import timezone
 from django.utils.functional import cached_property
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_utils import Choices
 
 from sapl.base.models import Autor, AppConfig as SaplAppConfig
diff --git a/sapl/protocoloadm/tests/test_protocoloadm.py b/sapl/protocoloadm/tests/test_protocoloadm.py
index fe38765c3..9d747f983 100644
--- a/sapl/protocoloadm/tests/test_protocoloadm.py
+++ b/sapl/protocoloadm/tests/test_protocoloadm.py
@@ -3,7 +3,7 @@ from datetime import date, timedelta
 from django.urls import reverse
 from django.utils import timezone
 from django.utils.encoding import force_text
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_bakery import baker
 from urllib.parse import urlencode
 import pytest
@@ -170,7 +170,7 @@ def test_create_tramitacao(admin_client):
 
     msg = force_text(_('A origem da nova tramitação deve ser igual ao '
                        'destino  da última adicionada!'))
-                       
+
     # Verifica se a origem da nova tramitacao é igual ao destino da última
     assert msg in response.context_data[
         'form'].errors['__all__']
@@ -508,7 +508,7 @@ def test_lista_documentos_anexados():
     )
 
     lista = lista_anexados(documento_principal)
-    
+
     assert len(lista) == 2
     assert lista[0] == documento_anexado
     assert lista[1] == documento_anexado_anexado
@@ -534,7 +534,7 @@ def make_unidade_tramitacao(descricao):
 
     return unidade
 
-        
+
 @pytest.mark.django_db(transaction=False)
 def test_tramitacoes_documentos_anexados(admin_client):
 
@@ -636,14 +636,14 @@ def test_tramitacoes_documentos_anexados(admin_client):
 
 
     # Teste Remoção de Tramitacao
-    url = reverse('sapl.protocoloadm:tramitacaoadministrativo_delete', 
+    url = reverse('sapl.protocoloadm:tramitacaoadministrativo_delete',
                     kwargs={'pk': tramitacao_principal.pk})
     response = admin_client.post(url, {'confirmar':'confirmar'} ,follow=True)
     assert TramitacaoAdministrativo.objects.filter(id=tramitacao_principal.pk).count() == 0
     assert TramitacaoAdministrativo.objects.filter(id=tramitacao_anexada.pk).count() == 0
     assert TramitacaoAdministrativo.objects.filter(id=tramitacao_anexada_anexada.pk).count() == 0
-    
-    
+
+
     # Testes para quando as tramitações das anexadas divergem
     form = TramitacaoAdmForm(data={})
     form.data = {'data_tramitacao':date(2019, 5, 6),
@@ -698,7 +698,7 @@ def test_tramitacoes_documentos_anexados(admin_client):
     assert not tramitacao_anexada_anexada.texto == "Testando a alteração"
 
     # Removendo a tramitação pricipal, as tramitações anexadas não devem ser removidas, pois divergiram
-    url = reverse('sapl.protocoloadm:tramitacaoadministrativo_delete', 
+    url = reverse('sapl.protocoloadm:tramitacaoadministrativo_delete',
                     kwargs={'pk': tramitacao_principal.pk})
     response = admin_client.post(url, {'confirmar':'confirmar'} ,follow=True)
     assert TramitacaoAdministrativo.objects.filter(id=tramitacao_principal.pk).count() == 0
@@ -706,7 +706,7 @@ def test_tramitacoes_documentos_anexados(admin_client):
     assert TramitacaoAdministrativo.objects.filter(id=tramitacao_anexada_anexada.pk).count() == 1
 
     # Removendo a tramitação anexada, a tramitação anexada à anexada deve ser removida
-    url = reverse('sapl.protocoloadm:tramitacaoadministrativo_delete', 
+    url = reverse('sapl.protocoloadm:tramitacaoadministrativo_delete',
                     kwargs={'pk': tramitacao_anexada.pk})
     response = admin_client.post(url, {'confirmar':'confirmar'} ,follow=True)
     assert TramitacaoAdministrativo.objects.filter(id=tramitacao_anexada.pk).count() == 0
@@ -752,7 +752,7 @@ def test_tramitacoes_documentos_anexados(admin_client):
 
     assert form.is_valid()
     tramitacao_anexada = form.save()
-    tramitacao_principal = documento_principal.tramitacaoadministrativo_set.last() 
+    tramitacao_principal = documento_principal.tramitacaoadministrativo_set.last()
     tramitacao_anexada_anexada = documento_anexado_anexado.tramitacaoadministrativo_set.last()
 
     assert documento_principal.tramitacaoadministrativo_set.all().count() == 1
@@ -760,7 +760,7 @@ def test_tramitacoes_documentos_anexados(admin_client):
     assert not tramitacao_anexada_anexada
 
     form = TramitacaoAdmEditForm(data={})
-    # Alterando unidade_tramitacao_destino da matéria principal, 
+    # Alterando unidade_tramitacao_destino da matéria principal,
     # as anexadas não devem ser alteradas
     form.data = {'data_tramitacao':tramitacao_principal.data_tramitacao,
                 'unidade_tramitacao_local':tramitacao_principal.unidade_tramitacao_local.pk,
@@ -791,7 +791,7 @@ def test_tramitacoes_documentos_anexados(admin_client):
     form.instance = tramitacao_anexada
 
     assert form.is_valid()
-    tramitacao_anexada = form.save() 
+    tramitacao_anexada = form.save()
     tramitacao_principal = documento_principal.tramitacaoadministrativo_set.last()
     tramitacao_anexada_anexada = documento_anexado_anexado.tramitacaoadministrativo_set.last()
 
@@ -801,7 +801,7 @@ def test_tramitacoes_documentos_anexados(admin_client):
     assert compara_tramitacoes_doc(tramitacao_anexada, tramitacao_principal)
 
     # Removendo a tramitação principal, a tramitação anexada não deve ser removida
-    url = reverse('sapl.protocoloadm:tramitacaoadministrativo_delete', 
+    url = reverse('sapl.protocoloadm:tramitacaoadministrativo_delete',
                     kwargs={'pk': tramitacao_principal.pk})
     response = admin_client.post(url, {'confirmar':'confirmar'} ,follow=True)
     assert TramitacaoAdministrativo.objects.filter(id=tramitacao_principal.pk).count() == 0
@@ -980,7 +980,7 @@ def test_tramitacao_lote_documentos_views(admin_client):
 
     # Primeira tramitação em lote
 
-    response = admin_client.post(url, 
+    response = admin_client.post(url,
                                     {'documentos': documentos,
                                     'data_tramitacao': date(2019, 5, 15),
                                     'unidade_tramitacao_local': unidade_tramitacao_local_1.id,
@@ -988,9 +988,9 @@ def test_tramitacao_lote_documentos_views(admin_client):
                                     'status': status.id,
                                     'urgente': False,
                                     'texto': 'aaaa',
-                                    'salvar':'salvar'}, 
+                                    'salvar':'salvar'},
                                 follow=True)
-    
+
     assert response.status_code == 200
 
     assert TramitacaoAdministrativo.objects.all().count() == 2
@@ -1001,10 +1001,10 @@ def test_tramitacao_lote_documentos_views(admin_client):
 
     url_lote = reverse('sapl.protocoloadm:tramitacao_em_lote_docadm')
     url_lote = url_lote + '?' + urlencode(
-                                    {'tipo':tipo_documento.id, 
+                                    {'tipo':tipo_documento.id,
                                     'tramitacaoadministrativo__unidade_tramitacao_destino':unidade_tramitacao_destino_1.id,
                                     'tramitacaoadministrativo__status': status.id,
-                                    'data_0':'', 
+                                    'data_0':'',
                                     'data_1':''})
 
     response = admin_client.post(url_lote, {'salvar':'salvar'}, follow=True)
@@ -1026,7 +1026,7 @@ def test_tramitacao_lote_documentos_views(admin_client):
     assert 'Status: Este campo é obrigatório.' in msgs
     assert 'Unidade Destino: Este campo é obrigatório.' in msgs
     assert 'Texto da Ação: Este campo é obrigatório.' in msgs
-    
+
     response = admin_client.post(url_lote,
                                 {'documentos': documentos,
                                 'data_tramitacao': date(2019, 5, 15),
@@ -1035,7 +1035,7 @@ def test_tramitacao_lote_documentos_views(admin_client):
                                 'status': status.id,
                                 'urgente': False,
                                 'texto': 'aaaa',
-                                'salvar':'salvar'}, 
+                                'salvar':'salvar'},
                                 follow=True)
     assert response.status_code == 200
 
@@ -1051,7 +1051,7 @@ def test_tramitacao_lote_documentos_views(admin_client):
     # O documento anexado ao anexado não deve tramitar junto porque já está com tramitação diferente
     documentos = [documento_principal.id]
 
-    response = admin_client.post(url, 
+    response = admin_client.post(url,
                                     {'documentos': documentos,
                                     'data_tramitacao': date(2019, 5, 15),
                                     'unidade_tramitacao_local': unidade_tramitacao_local_1.id,
@@ -1059,9 +1059,9 @@ def test_tramitacao_lote_documentos_views(admin_client):
                                     'status': status.id,
                                     'urgente': False,
                                     'texto': 'aaaa',
-                                    'salvar':'salvar'}, 
+                                    'salvar':'salvar'},
                                 follow=True)
-    
+
     assert response.status_code == 200
 
     assert TramitacaoAdministrativo.objects.all().count() == 6
@@ -1077,7 +1077,7 @@ def test_tramitacao_lote_documentos_views(admin_client):
                                 'status': status.id,
                                 'urgente': False,
                                 'texto': 'aaaa',
-                                'salvar':'salvar'}, 
+                                'salvar':'salvar'},
                                 follow=True)
     assert response.status_code == 200
 
@@ -1090,7 +1090,7 @@ def test_tramitacao_lote_documentos_views(admin_client):
     assert documento_anexado.tramitacaoadministrativo_set.all().count() == 2
 
     # Terceira tramitação em lote
-    # Agora, o documento anexado ao anexado deve tramitar junto com o documento principal, 
+    # Agora, o documento anexado ao anexado deve tramitar junto com o documento principal,
     # pois suas tramitações convergiram
 
     response = admin_client.post(url_lote,
@@ -1101,7 +1101,7 @@ def test_tramitacao_lote_documentos_views(admin_client):
                                 'status': status.id,
                                 'urgente': False,
                                 'texto': 'aaaa',
-                                'salvar':'salvar'}, 
+                                'salvar':'salvar'},
                                 follow=True)
     assert response.status_code == 200
 
@@ -1128,7 +1128,7 @@ def test_tramitacao_lote_documentos_views(admin_client):
     # O documento anexado não deve tramitar junto com o prinicpal
     documentos = [documento_principal.id]
 
-    response = admin_client.post(url, 
+    response = admin_client.post(url,
                                 {'documentos': documentos,
                                 'data_tramitacao': date(2019, 5, 15),
                                 'unidade_tramitacao_local': unidade_tramitacao_local_1.id,
@@ -1136,9 +1136,9 @@ def test_tramitacao_lote_documentos_views(admin_client):
                                 'status': status.id,
                                 'urgente': False,
                                 'texto': 'aaaa',
-                                'salvar':'salvar'}, 
+                                'salvar':'salvar'},
                                 follow=True)
-    
+
     assert response.status_code == 200
 
     assert TramitacaoAdministrativo.objects.all().count() == 1
@@ -1149,7 +1149,7 @@ def test_tramitacao_lote_documentos_views(admin_client):
     # Tramitar o doc anexado ao principal para testar a segunda tramitação em lote
     documentos = [documento_anexado.id]
 
-    response = admin_client.post(url, 
+    response = admin_client.post(url,
                                 {'documentos': documentos,
                                 'data_tramitacao': date(2019, 5, 15),
                                 'unidade_tramitacao_local': unidade_tramitacao_local_1.id,
@@ -1157,9 +1157,9 @@ def test_tramitacao_lote_documentos_views(admin_client):
                                 'status': status.id,
                                 'urgente': False,
                                 'texto': 'aaaa',
-                                'salvar':'salvar'}, 
+                                'salvar':'salvar'},
                                 follow=True)
-    
+
     assert response.status_code == 200
 
     assert TramitacaoAdministrativo.objects.all().count() == 2
@@ -1181,7 +1181,7 @@ def test_tramitacao_lote_documentos_views(admin_client):
                                 'status': status.id,
                                 'urgente': False,
                                 'texto': 'aaaa',
-                                'salvar':'salvar'}, 
+                                'salvar':'salvar'},
                                 follow=True)
     assert response.status_code == 200
 
diff --git a/sapl/protocoloadm/views.py b/sapl/protocoloadm/views.py
index 38ffcf42a..a8dfc2ef0 100755
--- a/sapl/protocoloadm/views.py
+++ b/sapl/protocoloadm/views.py
@@ -24,7 +24,7 @@ from django.shortcuts import redirect, get_object_or_404
 from django.shortcuts import render
 from django.urls import reverse
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.views.generic import ListView, CreateView, UpdateView
 from django.views.generic.base import RedirectView, TemplateView
 from django.views.generic.edit import FormView
diff --git a/sapl/redireciona_urls/apps.py b/sapl/redireciona_urls/apps.py
index 8ee8742bc..ae4ea82e7 100644
--- a/sapl/redireciona_urls/apps.py
+++ b/sapl/redireciona_urls/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/relatorios/apps.py b/sapl/relatorios/apps.py
index 9e560eb1c..5a4fe84be 100644
--- a/sapl/relatorios/apps.py
+++ b/sapl/relatorios/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/relatorios/forms.py b/sapl/relatorios/forms.py
index 59eb2d741..9dbadf928 100644
--- a/sapl/relatorios/forms.py
+++ b/sapl/relatorios/forms.py
@@ -3,7 +3,7 @@ from crispy_forms.bootstrap import (FormActions)
 from crispy_forms.layout import (HTML, Button, Fieldset,
                                  Layout, Submit)
 from django import forms
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from sapl.audiencia.models import AudienciaPublica
 from sapl.base.models import Autor
diff --git a/sapl/relatorios/views.py b/sapl/relatorios/views.py
index 99a299abb..3d00dc2d9 100755
--- a/sapl/relatorios/views.py
+++ b/sapl/relatorios/views.py
@@ -10,7 +10,7 @@ from django.db.models import Count, Q, F
 from django.http import Http404, HttpResponse
 from django.template.loader import render_to_string
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.views.generic import TemplateView, ListView
 from django_filters.views import FilterView
 from weasyprint import HTML, CSS
diff --git a/sapl/rules/__init__.py b/sapl/rules/__init__.py
index 7984f6ef5..8073910a1 100644
--- a/sapl/rules/__init__.py
+++ b/sapl/rules/__init__.py
@@ -1,4 +1,4 @@
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 default_app_config = 'sapl.rules.apps.AppConfig'
 
diff --git a/sapl/rules/apps.py b/sapl/rules/apps.py
index cdaa71516..2c1b5e067 100644
--- a/sapl/rules/apps.py
+++ b/sapl/rules/apps.py
@@ -8,7 +8,7 @@ from django.contrib.auth.management import _get_all_permissions
 from django.core import exceptions
 from django.db import models, router
 from django.db.utils import DEFAULT_DB_ALIAS
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from sapl.rules import (SAPL_GROUP_ADMINISTRATIVO, SAPL_GROUP_COMISSOES,
                         SAPL_GROUP_GERAL, SAPL_GROUP_MATERIA, SAPL_GROUP_NORMA,
diff --git a/sapl/rules/tests/test_rules.py b/sapl/rules/tests/test_rules.py
index 75baaacc9..246ed0ba7 100644
--- a/sapl/rules/tests/test_rules.py
+++ b/sapl/rules/tests/test_rules.py
@@ -3,7 +3,7 @@ from django.conf import settings
 from django.contrib.auth.models import Permission
 from django.contrib.contenttypes.models import ContentType
 from django.utils import six
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import pytest
 
 from sapl.base.models import CasaLegislativa
diff --git a/sapl/sessao/apps.py b/sapl/sessao/apps.py
index 281847b56..7d5b2243b 100644
--- a/sapl/sessao/apps.py
+++ b/sapl/sessao/apps.py
@@ -1,5 +1,5 @@
 from django import apps
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 
 class AppConfig(apps.AppConfig):
diff --git a/sapl/sessao/forms.py b/sapl/sessao/forms.py
index 73ac911f0..2cbad7c0a 100644
--- a/sapl/sessao/forms.py
+++ b/sapl/sessao/forms.py
@@ -10,7 +10,7 @@ from django.db import transaction
 from django.db.models import Q
 from django.forms import ModelForm
 from django.forms.widgets import CheckboxSelectMultiple
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import django_filters
 
 from sapl.base.models import Autor, TipoAutor
diff --git a/sapl/sessao/models.py b/sapl/sessao/models.py
index 55fe581a1..83c3c23f7 100644
--- a/sapl/sessao/models.py
+++ b/sapl/sessao/models.py
@@ -4,7 +4,7 @@ from django.core.exceptions import ValidationError
 from django.db import models
 from django.db.models import Q, F
 from django.utils import timezone, formats
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_utils import Choices
 
 from sapl.base.models import Autor
diff --git a/sapl/sessao/tests/test_sessao.py b/sapl/sessao/tests/test_sessao.py
index 0f42465e5..dee33f3cc 100644
--- a/sapl/sessao/tests/test_sessao.py
+++ b/sapl/sessao/tests/test_sessao.py
@@ -1,7 +1,7 @@
 import pytest
 from datetime import datetime
 from django.core.exceptions import ValidationError
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_bakery import baker
 
 from sapl.materia.models import MateriaLegislativa, TipoMateriaLegislativa
diff --git a/sapl/sessao/tests/test_sessao_view.py b/sapl/sessao/tests/test_sessao_view.py
index 00284465b..bf81f5c5c 100644
--- a/sapl/sessao/tests/test_sessao_view.py
+++ b/sapl/sessao/tests/test_sessao_view.py
@@ -1,6 +1,6 @@
 import pytest
 from django.urls import reverse
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from model_bakery import baker
 
 from sapl.parlamentares.models import Legislatura, SessaoLegislativa
@@ -13,7 +13,7 @@ from sapl.sessao.models import (SessaoPlenaria, TipoSessaoPlenaria,
 from sapl.parlamentares.models import Parlamentar, CargoMesa, Filiacao
 
 from sapl.sessao.views import (get_identificacao_basica, get_conteudo_multimidia,
-                                get_mesa_diretora, get_presenca_sessao, 
+                                get_mesa_diretora, get_presenca_sessao,
                                 get_expedientes, get_materias_expediente,
                                 get_oradores_expediente, get_presenca_ordem_do_dia,
                                 get_materias_ordem_do_dia, get_oradores_explicacoes_pessoais,
@@ -78,11 +78,11 @@ class TestResumoView():
         id_basica = get_identificacao_basica(self.sessao_plenaria)
         info_basica = id_basica['basica']
         assert info_basica[0] == 'Tipo de Sessão: ' + str(self.sessao_plenaria.tipo)
-        
+
         data_inicio = self.sessao_plenaria.data_inicio
         abertura = data_inicio.strftime('%d/%m/%Y') if data_inicio else ''
         assert info_basica[1] == 'Abertura: ' + abertura +' - '+ self.sessao_plenaria.hora_inicio
-        
+
         data_fim = self.sessao_plenaria.data_fim
         encerramento = data_fim.strftime('%d/%m/%Y') + ' -' if data_fim else ''
         assert info_basica[2] == 'Encerramento: ' + encerramento +' '+ self.sessao_plenaria.hora_fim
@@ -102,11 +102,11 @@ class TestResumoView():
 
     def test_get_mesa_diretora(self):
         mesa = get_mesa_diretora(self.sessao_plenaria)
-        assert mesa == {'mesa':[{ 
+        assert mesa == {'mesa':[{
             'cargo': self.cargo_mesa,
             'parlamentar': self.parlamentar
         }]}
-        
+
     def test_get_presenca_sessao(self):
         justificativa = baker.make(JustificativaAusencia,sessao_plenaria=self.sessao_plenaria)
         presenca = baker.make(SessaoPlenariaPresenca,sessao_plenaria=self.sessao_plenaria)
@@ -114,7 +114,7 @@ class TestResumoView():
         resposta_presenca = get_presenca_sessao(self.sessao_plenaria)
         assert resposta_presenca['presenca_sessao'] == [presenca.parlamentar]
         assert resposta_presenca['justificativa_ausencia'][0] == justificativa
-    
+
     def test_get_expedientes(self):
         tipo_expediente = baker.make(TipoExpediente)
         expediente = baker.make(ExpedienteSessao,sessao_plenaria=self.sessao_plenaria,tipo=tipo_expediente)
@@ -123,7 +123,7 @@ class TestResumoView():
 
         assert resposta_expediente['expedientes'] == [{
                 'conteudo': expediente.conteudo,
-                'tipo': tipo_expediente  
+                'tipo': tipo_expediente
         }]
 
     def test_get_materias_expediente(self):
diff --git a/sapl/sessao/views.py b/sapl/sessao/views.py
index c4b092f52..b01759ebc 100755
--- a/sapl/sessao/views.py
+++ b/sapl/sessao/views.py
@@ -19,7 +19,7 @@ from django.utils.datastructures import MultiValueDictKeyError
 from django.utils.decorators import method_decorator
 from django.utils.encoding import force_text
 from django.utils.html import strip_tags
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.views.decorators.csrf import csrf_exempt
 from django.views.generic import (FormView, ListView, TemplateView)
 from django.views.generic.base import RedirectView
diff --git a/sapl/test_urls.py b/sapl/test_urls.py
index b01baec1b..b6c1f14aa 100644
--- a/sapl/test_urls.py
+++ b/sapl/test_urls.py
@@ -4,7 +4,7 @@ from django.contrib.auth.management import _get_all_permissions
 from django.contrib.auth.models import Permission
 from django.contrib.contenttypes.models import ContentType
 from django.db import transaction
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import pytest
 
 from sapl.crud.base import PermissionRequiredForAppCrudMixin
diff --git a/sapl/utils.py b/sapl/utils.py
index 0733d8152..8197faeb5 100644
--- a/sapl/utils.py
+++ b/sapl/utils.py
@@ -35,7 +35,7 @@ from django.forms.widgets import SplitDateTimeWidget, ClearableFileInput
 from django.http.response import JsonResponse, HttpResponse
 from django.utils import six, timezone
 from django.utils.safestring import mark_safe
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 import django_filters
 from easy_thumbnails import source_generators
 import magic