diff --git a/docker/startup_scripts/gunicorn.conf.py b/docker/startup_scripts/gunicorn.conf.py
index 589846521..1fd007739 100644
--- a/docker/startup_scripts/gunicorn.conf.py
+++ b/docker/startup_scripts/gunicorn.conf.py
@@ -1,6 +1,5 @@
 # /var/interlegis/sapl/gunicorn.conf.py
 
-import os
 import pathlib
 import multiprocessing
 
diff --git a/drfautoapi/drfautoapi.py b/drfautoapi/drfautoapi.py
index 56275d242..6299d6394 100644
--- a/drfautoapi/drfautoapi.py
+++ b/drfautoapi/drfautoapi.py
@@ -4,8 +4,6 @@ import inspect
 import logging
 import re
 
-from django.apps.config import AppConfig
-from django.apps.registry import apps
 from django.conf import settings
 from django.db.models import JSONField
 from django.db.models.base import ModelBase
diff --git a/sapl/api/apps.py b/sapl/api/apps.py
index 02023a245..e8412538a 100644
--- a/sapl/api/apps.py
+++ b/sapl/api/apps.py
@@ -8,4 +8,4 @@ class AppConfig(apps.AppConfig):
     verbose_name = _("API Rest")
 
     def ready(self):
-        from . import signals
+        pass
diff --git a/sapl/api/forms.py b/sapl/api/forms.py
index 3a563c9f5..bff2d9725 100644
--- a/sapl/api/forms.py
+++ b/sapl/api/forms.py
@@ -4,7 +4,6 @@ from django.db.models import Q
 from django.utils import timezone
 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
 
 from drfautoapi.drfautoapi import ApiFilterSetMixin
diff --git a/sapl/api/views_audiencia.py b/sapl/api/views_audiencia.py
index 756ea0b19..084b83c18 100644
--- a/sapl/api/views_audiencia.py
+++ b/sapl/api/views_audiencia.py
@@ -1,7 +1,6 @@
 from django.apps.registry import apps
 
-from drfautoapi.drfautoapi import (ApiViewSetConstrutor, customize,
-                                   wrapper_queryset_response_for_drf_action)
+from drfautoapi.drfautoapi import ApiViewSetConstrutor
 
 AudienciaApiViewSetConstrutor = ApiViewSetConstrutor.build_class(
     [apps.get_app_config("audiencia")]
diff --git a/sapl/api/views_base.py b/sapl/api/views_base.py
index aec2dc8dc..d53c8723e 100644
--- a/sapl/api/views_base.py
+++ b/sapl/api/views_base.py
@@ -115,7 +115,6 @@ class _AutorViewSet:
                 params["id"] = tipo
         except Exception as e:
             logger.error("user= " + username + ". " + str(e))
-            pass
 
         tipos = TipoAutor.objects.filter(**params)
 
diff --git a/sapl/api/views_compilacao.py b/sapl/api/views_compilacao.py
index 84e463d83..babee3de3 100644
--- a/sapl/api/views_compilacao.py
+++ b/sapl/api/views_compilacao.py
@@ -1,6 +1,5 @@
 from django.apps.registry import apps
 
-from drfautoapi.drfautoapi import (ApiViewSetConstrutor, customize,
-                                   wrapper_queryset_response_for_drf_action)
+from drfautoapi.drfautoapi import ApiViewSetConstrutor
 
 ApiViewSetConstrutor.build_class([apps.get_app_config("compilacao")])
diff --git a/sapl/api/views_materia.py b/sapl/api/views_materia.py
index f679589f2..ccde16435 100644
--- a/sapl/api/views_materia.py
+++ b/sapl/api/views_materia.py
@@ -3,8 +3,7 @@ from django.db.models import Q
 from rest_framework.decorators import action
 from rest_framework.response import Response
 
-from drfautoapi.drfautoapi import (ApiViewSetConstrutor, customize,
-                                   wrapper_queryset_response_for_drf_action)
+from drfautoapi.drfautoapi import (ApiViewSetConstrutor, customize)
 from sapl.api.permissions import SaplModelPermissions
 from sapl.materia.models import (MateriaLegislativa, Proposicao,
                                  TipoMateriaLegislativa, Tramitacao)
diff --git a/sapl/api/views_norma.py b/sapl/api/views_norma.py
index 07305504c..af49f3143 100644
--- a/sapl/api/views_norma.py
+++ b/sapl/api/views_norma.py
@@ -1,8 +1,5 @@
 from django.apps.registry import apps
-from rest_framework.decorators import action
 
-from drfautoapi.drfautoapi import (ApiViewSetConstrutor, customize,
-                                   wrapper_queryset_response_for_drf_action)
-from sapl.norma.models import NormaJuridica
+from drfautoapi.drfautoapi import ApiViewSetConstrutor
 
 ApiViewSetConstrutor.build_class([apps.get_app_config("norma")])
diff --git a/sapl/api/views_painel.py b/sapl/api/views_painel.py
index 76be28488..e64960f34 100644
--- a/sapl/api/views_painel.py
+++ b/sapl/api/views_painel.py
@@ -1,6 +1,5 @@
 from django.apps.registry import apps
 
-from drfautoapi.drfautoapi import (ApiViewSetConstrutor, customize,
-                                   wrapper_queryset_response_for_drf_action)
+from drfautoapi.drfautoapi import ApiViewSetConstrutor
 
 ApiViewSetConstrutor.build_class([apps.get_app_config("painel")])
diff --git a/sapl/api/views_protocoloadm.py b/sapl/api/views_protocoloadm.py
index 9f6bdadd3..78fe43f80 100644
--- a/sapl/api/views_protocoloadm.py
+++ b/sapl/api/views_protocoloadm.py
@@ -1,7 +1,6 @@
 from django.apps.registry import apps
 
-from drfautoapi.drfautoapi import (ApiViewSetConstrutor, customize,
-                                   wrapper_queryset_response_for_drf_action)
+from drfautoapi.drfautoapi import (ApiViewSetConstrutor, customize)
 from sapl.api.permissions import SaplModelPermissions
 from sapl.base.models import DOC_ADM_OSTENSIVO, AppConfig
 from sapl.protocoloadm.models import (Anexado,
diff --git a/sapl/audiencia/forms.py b/sapl/audiencia/forms.py
index 8614393f6..c43cba7e7 100755
--- a/sapl/audiencia/forms.py
+++ b/sapl/audiencia/forms.py
@@ -1,16 +1,15 @@
 import logging
 from datetime import datetime
 
-from crispy_forms.layout import HTML, Button, Column, Fieldset, Layout
+from crispy_forms.layout import Fieldset
 from django import forms
 from django.core.exceptions import ObjectDoesNotExist, ValidationError
-from django.db import transaction
 from django.utils.translation import gettext_lazy as _
 
 from sapl.audiencia.models import (AnexoAudienciaPublica, AudienciaPublica,
                                    TipoAudienciaPublica)
 from sapl.crispy_layout_mixin import (SaplFormHelper, SaplFormLayout,
-                                      form_actions, to_row)
+                                      to_row)
 from sapl.materia.models import MateriaLegislativa, TipoMateriaLegislativa
 from sapl.parlamentares.models import Parlamentar
 from sapl.utils import FileFieldCheckMixin, timezone, validar_arquivo
diff --git a/sapl/audiencia/models.py b/sapl/audiencia/models.py
index 0014b05c5..4bb41cbd1 100755
--- a/sapl/audiencia/models.py
+++ b/sapl/audiencia/models.py
@@ -4,10 +4,9 @@ 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
+from sapl.parlamentares.models import Parlamentar
 from sapl.utils import (RANGE_ANOS, YES_NO_CHOICES, OverwriteStorage,
-                        SaplGenericRelation, restringe_tipos_de_arquivo_txt,
-                        texto_upload_path)
+                        restringe_tipos_de_arquivo_txt, texto_upload_path)
 
 
 def get_audiencia_media_path(instance, subpath, filename):
diff --git a/sapl/audiencia/tests/test_audiencia.py b/sapl/audiencia/tests/test_audiencia.py
index 8274c7fb3..d5353c8e6 100644
--- a/sapl/audiencia/tests/test_audiencia.py
+++ b/sapl/audiencia/tests/test_audiencia.py
@@ -7,7 +7,7 @@ from model_bakery import baker
 from sapl.audiencia import forms
 from sapl.audiencia.models import (AnexoAudienciaPublica, AudienciaPublica,
                                    TipoAudienciaPublica)
-from sapl.materia.models import MateriaLegislativa, TipoMateriaLegislativa
+from sapl.materia.models import TipoMateriaLegislativa
 
 
 @pytest.mark.django_db(transaction=False)
diff --git a/sapl/audiencia/urls.py b/sapl/audiencia/urls.py
index 486e9b2d0..ad247d765 100755
--- a/sapl/audiencia/urls.py
+++ b/sapl/audiencia/urls.py
@@ -1,7 +1,6 @@
 from django.urls import include, path
 
-from sapl.audiencia.views import (AnexoAudienciaPublicaCrud, AudienciaCrud,
-                                  index)
+from sapl.audiencia.views import (AnexoAudienciaPublicaCrud, AudienciaCrud)
 
 from .apps import AppConfig
 
diff --git a/sapl/base/admin.py b/sapl/base/admin.py
index 6c1bdb7cb..1c014a428 100644
--- a/sapl/base/admin.py
+++ b/sapl/base/admin.py
@@ -1,6 +1,4 @@
 from django.contrib import admin
-from django.shortcuts import redirect
-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 685b4d835..c1f5330c9 100644
--- a/sapl/base/apps.py
+++ b/sapl/base/apps.py
@@ -8,4 +8,4 @@ class AppConfig(django.apps.AppConfig):
     verbose_name = _("Dados Básicos")
 
     def ready(self):
-        from sapl.base import receivers
+        pass
diff --git a/sapl/base/email_utils.py b/sapl/base/email_utils.py
index f329451a1..f203637b0 100644
--- a/sapl/base/email_utils.py
+++ b/sapl/base/email_utils.py
@@ -2,7 +2,7 @@ import logging
 from datetime import datetime as dt
 
 from django.core.mail import EmailMultiAlternatives, get_connection, send_mail
-from django.template import Context, loader
+from django.template import loader
 from django.urls import reverse
 from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
diff --git a/sapl/base/forms.py b/sapl/base/forms.py
index d90e61b56..74ec15873 100644
--- a/sapl/base/forms.py
+++ b/sapl/base/forms.py
@@ -1,12 +1,10 @@
 import logging
-import os
 
 import django_filters
 from crispy_forms.bootstrap import (FieldWithButtons, FormActions,
-                                    InlineRadios, StrictButton)
-from crispy_forms.helper import FormHelper
-from crispy_forms.layout import (HTML, Button, Div, Field, Fieldset, Layout,
-                                 Row, Submit)
+                                    StrictButton)
+from crispy_forms.layout import (HTML, Div, Field, Fieldset, Layout, Row,
+                                 Submit)
 from django import forms
 from django.conf import settings
 from django.contrib.auth import get_user_model, password_validation
@@ -14,7 +12,7 @@ from django.contrib.auth.forms import (AuthenticationForm, PasswordResetForm,
                                        SetPasswordForm)
 from django.contrib.auth.models import Group, Permission, User
 from django.core.exceptions import ValidationError
-from django.db import models, transaction
+from django.db import transaction
 from django.db.models import Q
 from django.forms import Form, ModelForm
 from django.utils import timezone
@@ -22,29 +20,18 @@ from django.utils.safestring import mark_safe
 from django.utils.translation import gettext_lazy as _
 from haystack.forms import ModelSearchForm
 
-from sapl.audiencia.models import AudienciaPublica
 from sapl.base.models import AuditLog, Autor, OperadorAutor, TipoAutor
-from sapl.comissoes.models import Reuniao
 from sapl.crispy_layout_mixin import (SaplFormHelper, SaplFormLayout,
                                       form_actions, to_column, to_row)
-from sapl.materia.models import (DocumentoAcessorio, MateriaEmTramitacao,
-                                 MateriaLegislativa, StatusTramitacao,
-                                 UnidadeTramitacao)
-from sapl.norma.models import NormaEstatisticas, NormaJuridica
+from sapl.norma.models import NormaEstatisticas
 from sapl.parlamentares.models import (Parlamentar, Partido, SessaoLegislativa,
                                        Votante)
-from sapl.protocoloadm.models import DocumentoAdministrativo
 from sapl.rules import SAPL_GROUP_AUTOR, SAPL_GROUP_VOTANTE
-from sapl.sessao.models import SessaoPlenaria
 from sapl.settings import MAX_IMAGE_UPLOAD_SIZE
 from sapl.utils import (RANGE_ANOS, RANGE_MESES, YES_NO_CHOICES,
                         ChoiceWithoutValidationField, FileFieldCheckMixin,
-                        FilterOverridesMetaMixin, GoogleRecapthaMixin,
-                        ImageThumbnailFileInput, autor_label, autor_modal,
-                        choice_anos_com_materias, choice_anos_com_normas,
-                        choice_tipos_normas, delete_cached_entry,
-                        is_weak_password, parlamentares_ativos,
-                        qs_override_django_filter)
+                        GoogleRecapthaMixin, ImageThumbnailFileInput,
+                        delete_cached_entry, is_weak_password, parlamentares_ativos)
 
 from .models import AppConfig, CasaLegislativa
 
diff --git a/sapl/base/migrations/0001_initial.py b/sapl/base/migrations/0001_initial.py
index dd61fdcf5..0160defe5 100644
--- a/sapl/base/migrations/0001_initial.py
+++ b/sapl/base/migrations/0001_initial.py
@@ -5,7 +5,6 @@ from __future__ import unicode_literals
 from django.conf import settings
 from django.db import migrations, models
 import django.db.models.deletion
-import sapl.base.models
 
 
 class Migration(migrations.Migration):
diff --git a/sapl/base/models.py b/sapl/base/models.py
index 80a7000eb..5c37c35e9 100644
--- a/sapl/base/models.py
+++ b/sapl/base/models.py
@@ -5,12 +5,10 @@ from django.core.serializers.json import DjangoJSONEncoder
 from django.db import models
 from django.db.models import JSONField
 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 gettext_lazy as _
 
 from sapl.utils import (LISTA_DE_UFS, YES_NO_CHOICES,
-                        get_settings_auth_user_model, models_with_gr_for_model)
+                        get_settings_auth_user_model)
 
 DOC_ADM_OSTENSIVO = "O"
 DOC_ADM_RESTRITIVO = "R"
diff --git a/sapl/base/receivers.py b/sapl/base/receivers.py
index bc2252489..ff7110829 100644
--- a/sapl/base/receivers.py
+++ b/sapl/base/receivers.py
@@ -6,7 +6,7 @@ from asn1crypto import cms
 from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
 from django.core import serializers
-from django.core.files.uploadedfile import InMemoryUploadedFile, UploadedFile
+from django.core.files.uploadedfile import UploadedFile
 from django.db.models.fields.files import FileField
 from django.db.models.signals import (post_delete, post_migrate, post_save,
                                       pre_migrate, pre_save)
@@ -20,7 +20,6 @@ from sapl.base.email_utils import do_envia_email_tramitacao
 from sapl.base.models import AuditLog, Autor, Metadata, TipoAutor
 from sapl.decorators import receiver_multi_senders
 from sapl.materia.models import Tramitacao
-from sapl.parlamentares.models import Parlamentar
 from sapl.protocoloadm.models import TramitacaoAdministrativo
 from sapl.utils import get_base_url, models_with_gr_for_model
 
diff --git a/sapl/base/search_indexes.py b/sapl/base/search_indexes.py
index 41f3cb5b3..9b71e579b 100644
--- a/sapl/base/search_indexes.py
+++ b/sapl/base/search_indexes.py
@@ -17,7 +17,6 @@ from sapl.materia.models import DocumentoAcessorio, MateriaLegislativa
 from sapl.norma.models import NormaJuridica
 from sapl.sessao.models import SessaoPlenaria
 from sapl.settings import SOLR_URL
-from sapl.utils import RemoveTag
 
 
 class TextExtractField(CharField):
diff --git a/sapl/base/tests/test_view_base.py b/sapl/base/tests/test_view_base.py
index 74bd6dd20..0bb889f26 100644
--- a/sapl/base/tests/test_view_base.py
+++ b/sapl/base/tests/test_view_base.py
@@ -13,7 +13,7 @@ from sapl.base.views import (anexados_ciclicos, autores_duplicados,
                              parlamentares_duplicados,
                              parlamentares_filiacoes_intersecao,
                              parlamentares_mandatos_intersecao,
-                             protocolos_com_materias, protocolos_duplicados)
+                             protocolos_com_materias)
 from sapl.comissoes.models import Comissao, TipoComissao
 from sapl.materia.models import (Anexada, MateriaLegislativa, RegimeTramitacao,
                                  TipoMateriaLegislativa)
diff --git a/sapl/comissoes/tests/test_comissoes.py b/sapl/comissoes/tests/test_comissoes.py
index 33b718410..a97ea61da 100644
--- a/sapl/comissoes/tests/test_comissoes.py
+++ b/sapl/comissoes/tests/test_comissoes.py
@@ -4,8 +4,7 @@ from django.utils.translation import gettext as _
 from model_bakery import baker
 
 from sapl.comissoes import forms
-from sapl.comissoes.models import (Comissao, Composicao, Periodo, Reuniao,
-                                   TipoComissao)
+from sapl.comissoes.models import (Comissao, Composicao, Periodo, TipoComissao)
 from sapl.parlamentares.models import Filiacao, Parlamentar, Partido
 
 
diff --git a/sapl/comissoes/views.py b/sapl/comissoes/views.py
index 518395b03..bb7927bc4 100644
--- a/sapl/comissoes/views.py
+++ b/sapl/comissoes/views.py
@@ -2,19 +2,12 @@ import logging
 
 from django.contrib import messages
 from django.contrib.auth.mixins import PermissionRequiredMixin
-from django.db.models import F
 from django.http.response import HttpResponseRedirect, JsonResponse
 from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
-from django.views.decorators.clickjacking import xframe_options_exempt
-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.views.generic import CreateView, ListView
 from django_filters.views import FilterView
 
-from sapl.base.models import AppConfig as AppsAppConfig
-from sapl.comissoes.apps import AppConfig
 from sapl.comissoes.forms import (ComissaoForm, ComposicaoForm,
                                   DocumentoAcessorioCreateForm,
                                   DocumentoAcessorioEditForm,
@@ -22,10 +15,9 @@ from sapl.comissoes.forms import (ComissaoForm, ComposicaoForm,
                                   PautaReuniaoFilterSet, PautaReuniaoForm,
                                   PeriodoForm, ReuniaoForm)
 from sapl.crud.base import (RP_DETAIL, RP_LIST, Crud, CrudAux,
-                            MasterDetailCrud,
-                            PermissionRequiredForAppCrudMixin)
+                            MasterDetailCrud)
 from sapl.materia.models import (MateriaEmTramitacao, MateriaLegislativa,
-                                 PautaReuniao, Tramitacao)
+                                 PautaReuniao)
 from sapl.utils import show_results_filter_set
 
 from .models import (CargoComissao, Comissao, Composicao, DocumentoAcessorio,
diff --git a/sapl/compilacao/forms.py b/sapl/compilacao/forms.py
index 99fdbf4b5..9c2d2c298 100644
--- a/sapl/compilacao/forms.py
+++ b/sapl/compilacao/forms.py
@@ -534,7 +534,6 @@ class PublicacaoForm(ModelForm):
         )
 
         super(PublicacaoForm, self).__init__(*args, **kwargs)
-        pass
 
 
 class DispositivoIntegerField(forms.IntegerField):
diff --git a/sapl/compilacao/migrations/0007_auto_20180911_1600.py b/sapl/compilacao/migrations/0007_auto_20180911_1600.py
index 9db7dfa4f..99e6b647f 100644
--- a/sapl/compilacao/migrations/0007_auto_20180911_1600.py
+++ b/sapl/compilacao/migrations/0007_auto_20180911_1600.py
@@ -2,7 +2,7 @@
 # Generated by Django 1.9.13 on 2018-03-21 13:54
 from __future__ import unicode_literals
 
-from django.db import migrations, models
+from django.db import migrations
 
 
 def insert_relacionamento_entre_dispositivos(apps, schema_editor):
diff --git a/sapl/compilacao/migrations/0012_bug_auto_inserido.py b/sapl/compilacao/migrations/0012_bug_auto_inserido.py
index ac07c0a44..6a758e138 100644
--- a/sapl/compilacao/migrations/0012_bug_auto_inserido.py
+++ b/sapl/compilacao/migrations/0012_bug_auto_inserido.py
@@ -2,8 +2,7 @@
 # Generated by Django 1.9.13 on 2018-03-19 13:41
 from __future__ import unicode_literals
 
-from django.db import migrations, models
-import django.db.models.deletion
+from django.db import migrations
 
 
 def adjust_bug_auto_inserido(apps, schema_editor):
diff --git a/sapl/compilacao/models.py b/sapl/compilacao/models.py
index c179a0b16..141e114a3 100644
--- a/sapl/compilacao/models.py
+++ b/sapl/compilacao/models.py
@@ -16,7 +16,7 @@ from image_cropping.fields import ImageCropField, ImageRatioField
 from sapl.compilacao.utils import (get_integrations_view_names, int_to_letter,
                                    int_to_roman)
 from sapl.utils import (YES_NO_CHOICES, get_settings_auth_user_model,
-                        restringe_tipos_de_arquivo_img, texto_upload_path)
+                        texto_upload_path)
 
 
 class TimestampedMixin(models.Model):
diff --git a/sapl/compilacao/tests/test_tipo_texto_articulado_form.py b/sapl/compilacao/tests/test_tipo_texto_articulado_form.py
index 3476a7e33..7e2a8bd44 100644
--- a/sapl/compilacao/tests/test_tipo_texto_articulado_form.py
+++ b/sapl/compilacao/tests/test_tipo_texto_articulado_form.py
@@ -3,8 +3,7 @@ from django.utils.translation import gettext as _
 from model_bakery import baker
 
 from sapl.compilacao import forms
-from sapl.compilacao.models import PerfilEstruturalTextoArticulado, TipoNota
-from sapl.compilacao.views import choice_models_in_extenal_views
+from sapl.compilacao.models import TipoNota
 
 
 def test_valida_campos_obrigatorios_tipo_texto_articulado_form():
diff --git a/sapl/compilacao/views.py b/sapl/compilacao/views.py
index 5dba344ef..a199c3cf4 100644
--- a/sapl/compilacao/views.py
+++ b/sapl/compilacao/views.py
@@ -4,7 +4,6 @@ from collections import OrderedDict
 from datetime import timedelta
 
 from braces.views import FormMessagesMixin
-from bs4 import BeautifulSoup
 from django import forms
 from django.apps.registry import apps
 from django.conf import settings
@@ -15,7 +14,6 @@ from django.core.exceptions import PermissionDenied, ValidationError
 from django.core.signing import Signer
 from django.db import transaction
 from django.db.models import Q
-from django.db.models.query import QuerySet
 from django.http.response import (Http404, HttpResponse, HttpResponseRedirect,
                                   JsonResponse)
 from django.shortcuts import get_object_or_404, redirect
@@ -50,9 +48,7 @@ from sapl.compilacao.models import (STATUS_TA_EDITION, STATUS_TA_PRIVATE,
 from sapl.compilacao.utils import (DISPOSITIVO_SELECT_RELATED,
                                    DISPOSITIVO_SELECT_RELATED_EDIT,
                                    get_integrations_view_names)
-from sapl.crud.base import (RP_DETAIL, RP_LIST, Crud, CrudAux, CrudListView,
-                            make_pagination)
-from sapl.settings import BASE_DIR
+from sapl.crud.base import (RP_DETAIL, RP_LIST, CrudAux, CrudListView, make_pagination)
 
 TipoNotaCrud = CrudAux.build(TipoNota, "tipo_nota")
 TipoVideCrud = CrudAux.build(TipoVide, "tipo_vide")
@@ -3773,7 +3769,6 @@ class DispositivoSearchFragmentFormView(ListView):
             username = self.request.user.username
             self.logger.error("user=" + username + ". " + str(e))
             return []
-        pass
 
 
 class DispositivoSearchModalView(FormView):
diff --git a/sapl/crispy_layout_mixin.py b/sapl/crispy_layout_mixin.py
index 3e04dab30..b834ce5ac 100644
--- a/sapl/crispy_layout_mixin.py
+++ b/sapl/crispy_layout_mixin.py
@@ -6,7 +6,7 @@ from crispy_forms.helper import FormHelper
 from crispy_forms.layout import HTML, Div, Fieldset, Layout, Submit
 from django import template
 from django.contrib.contenttypes.models import ContentType
-from django.urls import reverse, reverse_lazy
+from django.urls import reverse
 from django.utils import formats
 from django.utils.encoding import force_str
 from django.utils.translation import gettext as _
diff --git a/sapl/crud/base.py b/sapl/crud/base.py
index 6169e3b9c..decde0181 100644
--- a/sapl/crud/base.py
+++ b/sapl/crud/base.py
@@ -634,7 +634,6 @@ class CrudListView(PermissionRequiredContainerCrudMixin, ListView):
                         except Exception as e:
                             username = self.request.user.username
                             self.logger.info("user=" + username + ". " + str(e))
-                            pass
 
                         if fm and hasattr(fm, "related_model") and fm.related_model:
                             rmo = fm.related_model._meta.ordering
@@ -709,7 +708,6 @@ class CrudCreateView(
         except Exception as e:
             username = self.request.user.username
             self.logger.error("user=" + username + ". " + str(e))
-            pass
 
         if self.container_field:
             container = self.container_field.split("__")
@@ -916,7 +914,6 @@ class CrudUpdateView(
         except Exception as e:
             username = self.request.user.username
             self.logger.error("user=" + username + ". " + str(e))
-            pass
 
         return super().form_valid(form)
 
diff --git a/sapl/materia/forms.py b/sapl/materia/forms.py
index f0eb48f5d..ccc453a44 100644
--- a/sapl/materia/forms.py
+++ b/sapl/materia/forms.py
@@ -40,9 +40,9 @@ from sapl.utils import (SEPARADOR_HASH_PROPOSICAO, YES_NO_CHOICES,
                         FilterOverridesMetaMixin, GoogleRecapthaMixin,
                         MateriaPesquisaOrderingFilter, autor_label,
                         autor_modal, choice_anos_com_materias,
-                        gerar_hash_arquivo, get_client_ip, lista_anexados,
-                        models_with_gr_for_model, qs_override_django_filter,
-                        timing, validar_arquivo)
+                        gerar_hash_arquivo, lista_anexados, models_with_gr_for_model,
+                        qs_override_django_filter, timing,
+                        validar_arquivo)
 
 from .models import (AcompanhamentoMateria, Anexada, Autoria, DespachoInicial,
                      DocumentoAcessorio, Numeracao, Proposicao, Relatoria,
@@ -2736,7 +2736,6 @@ class ConfirmarProposicaoForm(ProposicaoForm):
                 numeracao = BaseAppConfig.objects.last().sequencia_numeracao_protocolo
             except AttributeError as e:
                 self.logger.error("Erro ao obter modelo. " + str(e))
-                pass
 
             tipo = self.instance.tipo.tipo_conteudo_related
             if tipo.sequencia_numeracao:
diff --git a/sapl/materia/migrations/0013_adiciona_status_tramitacao.py b/sapl/materia/migrations/0013_adiciona_status_tramitacao.py
index 5a5ac4e91..eea91ce43 100644
--- a/sapl/materia/migrations/0013_adiciona_status_tramitacao.py
+++ b/sapl/materia/migrations/0013_adiciona_status_tramitacao.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 from django.db import migrations
-import json
 import os
 
 
diff --git a/sapl/materia/migrations/0087_update_viewdb_materiaemtramitacao.py b/sapl/materia/migrations/0087_update_viewdb_materiaemtramitacao.py
index cfacc3aed..e79ef251c 100644
--- a/sapl/materia/migrations/0087_update_viewdb_materiaemtramitacao.py
+++ b/sapl/materia/migrations/0087_update_viewdb_materiaemtramitacao.py
@@ -2,7 +2,7 @@
 # Generated by Django 1.11.20 on 2019-08-27 20:13
 from __future__ import unicode_literals
 
-from django.db import migrations, models
+from django.db import migrations
 
 
 class Migration(migrations.Migration):
diff --git a/sapl/materia/tests/test_materia.py b/sapl/materia/tests/test_materia.py
index 04d9efa54..07e4f16f9 100644
--- a/sapl/materia/tests/test_materia.py
+++ b/sapl/materia/tests/test_materia.py
@@ -4,7 +4,6 @@ import pytest
 from django.contrib.auth import get_user_model
 from django.contrib.contenttypes.models import ContentType
 from django.core.files.uploadedfile import SimpleUploadedFile
-from django.db.models import Max
 from django.urls import reverse
 from model_bakery import baker
 
diff --git a/sapl/materia/views.py b/sapl/materia/views.py
index ea00f1b67..0aec592fd 100644
--- a/sapl/materia/views.py
+++ b/sapl/materia/views.py
@@ -16,20 +16,19 @@ from django.contrib.auth.decorators import permission_required
 from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.core.exceptions import (MultipleObjectsReturned,
                                     ObjectDoesNotExist, ValidationError)
-from django.db.models import Max, Q
+from django.db.models import Max
 from django.http import HttpResponse, JsonResponse
 from django.http.response import Http404, HttpResponseRedirect
 from django.shortcuts import get_object_or_404, redirect, render
 from django.template import loader
 from django.urls import reverse
 from django.utils import formats, timezone
-from django.utils.encoding import force_str
 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
 from django_filters.views import FilterView
-from PyPDF4 import PdfFileMerger, PdfFileReader
+from PyPDF4 import PdfFileMerger
 
 import sapl
 from sapl.base.email_utils import do_envia_email_confirmacao
@@ -386,7 +385,6 @@ def recuperar_materia(request):
             + str(e)
             + " Numeracao da matéria definida como None."
         )
-        pass
 
     if tipo.sequencia_numeracao:
         numeracao = tipo.sequencia_numeracao
@@ -1044,13 +1042,10 @@ class ProposicaoCrud(Crud):
                             )
                         except ValueError as e:
                             self.logger.warning("User=" + username + ". " + str(e))
-                            pass
                         except AttributeError as e:
                             self.logger.warning("User=" + username + ". " + str(e))
-                            pass
                         except TypeError as e:
                             self.logger.warning("User=" + username + ". " + str(e))
-                            pass
 
                 elif action == "return":
                     if not p.data_envio:
@@ -2263,7 +2258,6 @@ class AcompanhamentoConfirmarView(TemplateView):
             # (MultipleObjectsReturned) seja lançada e vá para o log,
             # pois só poderá ser causada por um erro de desenvolvimente
             self.logger.error("user=" + username + "." + str(e))
-            pass
         acompanhar.confirmado = True
         acompanhar.save()
 
@@ -2308,7 +2302,6 @@ class AcompanhamentoExcluirView(TemplateView):
                     materia_id, hash_txt
                 )
             )
-            pass
 
         return HttpResponseRedirect(self.get_success_url())
 
diff --git a/sapl/norma/urls.py b/sapl/norma/urls.py
index cd8eeaec4..8037247e3 100644
--- a/sapl/norma/urls.py
+++ b/sapl/norma/urls.py
@@ -1,4 +1,3 @@
-from django.conf import settings
 from django.urls import include, path, re_path
 
 from sapl.norma.views import (AnexoNormaJuridicaCrud, AssuntoNormaCrud,
diff --git a/sapl/norma/views.py b/sapl/norma/views.py
index 73a1f146c..f5a17ce47 100644
--- a/sapl/norma/views.py
+++ b/sapl/norma/views.py
@@ -1,11 +1,9 @@
 import logging
 import re
-from datetime import datetime
 
 import weasyprint
 from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.core.exceptions import ObjectDoesNotExist
-from django.db.models import Q
 from django.http import HttpResponse, JsonResponse
 from django.http.response import HttpResponseRedirect
 from django.shortcuts import redirect
@@ -20,15 +18,13 @@ from django.views.generic.edit import FormView
 from django_filters.views import FilterView
 
 import sapl
-from sapl import settings
 from sapl.base.models import AppConfig
 from sapl.compilacao.models import STATUS_TA_PUBLIC
 from sapl.compilacao.views import IntegracaoTaView
 from sapl.crud.base import (RP_DETAIL, RP_LIST, Crud, CrudAux,
                             MasterDetailCrud, make_pagination)
 from sapl.materia.models import Orgao
-from sapl.utils import (MultiFormatOutputMixin, get_client_ip, sapn_is_enabled,
-                        show_results_filter_set)
+from sapl.utils import (MultiFormatOutputMixin, get_client_ip, show_results_filter_set)
 
 from .forms import (AnexoNormaJuridicaForm, AssuntoNormaFilterSet,
                     AutoriaNormaForm, NormaFilterSet, NormaJuridicaForm,
@@ -361,7 +357,6 @@ class NormaCrud(Crud):
                     + username
                     + ". Erro ao obter objeto de modelo da esfera da federação."
                 )
-                pass
             initial["complemento"] = False
             return initial
 
diff --git a/sapl/painel/views.py b/sapl/painel/views.py
index 0c0eb2e80..236444219 100644
--- a/sapl/painel/views.py
+++ b/sapl/painel/views.py
@@ -7,7 +7,7 @@ from django.contrib.auth.decorators import user_passes_test
 from django.core.exceptions import ObjectDoesNotExist
 from django.db.models import Q
 from django.http import HttpResponse, JsonResponse
-from django.http.response import Http404, HttpResponseRedirect
+from django.http.response import HttpResponseRedirect
 from django.shortcuts import render
 from django.urls import reverse
 from django.utils import timezone
@@ -17,7 +17,7 @@ from sapl.base.models import AppConfig as ConfiguracoesAplicacao
 from sapl.base.models import CasaLegislativa
 from sapl.crud.base import Crud
 from sapl.painel.apps import AppConfig
-from sapl.parlamentares.models import Legislatura, Parlamentar, Votante
+from sapl.parlamentares.models import Votante
 from sapl.sessao.models import (ExpedienteMateria, OradorExpediente, OrdemDia,
                                 PresencaOrdemDia, RegistroLeitura,
                                 RegistroVotacao, SessaoPlenaria,
diff --git a/sapl/parlamentares/migrations/0023_auto_20180626_1524.py b/sapl/parlamentares/migrations/0023_auto_20180626_1524.py
index 828fbe88b..1b81f966c 100644
--- a/sapl/parlamentares/migrations/0023_auto_20180626_1524.py
+++ b/sapl/parlamentares/migrations/0023_auto_20180626_1524.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 from django.db import migrations
-import json
 import os
 
 
diff --git a/sapl/parlamentares/migrations/0037_atribuiMesaDiretora.py b/sapl/parlamentares/migrations/0037_atribuiMesaDiretora.py
index aa7387e04..158bd8826 100644
--- a/sapl/parlamentares/migrations/0037_atribuiMesaDiretora.py
+++ b/sapl/parlamentares/migrations/0037_atribuiMesaDiretora.py
@@ -1,6 +1,6 @@
 # Generated by Django 2.2.20 on 2021-07-05 13:43
 
-from django.db import migrations, models
+from django.db import migrations
 
 def atribuiMesaDiretora(apps, schema_editor):
     sl_anterior = None
diff --git a/sapl/parlamentares/models.py b/sapl/parlamentares/models.py
index 4d85bfc35..d33380871 100644
--- a/sapl/parlamentares/models.py
+++ b/sapl/parlamentares/models.py
@@ -3,7 +3,6 @@ from django.utils import timezone
 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
 
 from sapl.base.models import Autor
 from sapl.decorators import vigencia_atual
diff --git a/sapl/parlamentares/urls.py b/sapl/parlamentares/urls.py
index 7ec195899..93641f611 100644
--- a/sapl/parlamentares/urls.py
+++ b/sapl/parlamentares/urls.py
@@ -4,23 +4,22 @@ from sapl.parlamentares.views import (BlocoCargoCrud, BlocoCrud,
                                       BlocoMembroCrud, CargoMesaCrud,
                                       ColigacaoCrud, ComposicaoColigacaoCrud,
                                       DependenteCrud, FiliacaoCrud,
-                                      FrenteCargoCrud, FrenteCrud, FrenteList,
-                                      FrenteParlamentarCrud, LegislaturaCrud,
-                                      MandatoCrud, MesaDiretoraView,
-                                      NivelInstrucaoCrud, ParlamentarCrud,
-                                      ParlamentarMateriasView,
+                                      FrenteCargoCrud, FrenteCrud, FrenteParlamentarCrud,
+                                      LegislaturaCrud, MandatoCrud,
+                                      MesaDiretoraView, NivelInstrucaoCrud,
+                                      ParlamentarCrud, ParlamentarMateriasView,
                                       ParlamentarNormasView,
-                                      ParticipacaoParlamentarCrud, PartidoCrud,
-                                      PesquisarColigacaoView,
+                                      ParticipacaoParlamentarCrud,
+                                      PartidoCrud, PesquisarColigacaoView,
                                       PesquisarParlamentarView,
                                       PesquisarPartidoView,
                                       ProposicaoParlamentarCrud,
                                       RelatoriaParlamentarCrud,
                                       SessaoLegislativaCrud,
-                                      TipoAfastamentoCrud, TipoDependenteCrud,
-                                      TipoMilitarCrud, VincularParlamentarView,
-                                      VotanteView, altera_field_mesa,
-                                      altera_field_mesa_public_view,
+                                      TipoAfastamentoCrud,
+                                      TipoDependenteCrud, TipoMilitarCrud,
+                                      VincularParlamentarView, VotanteView,
+                                      altera_field_mesa, altera_field_mesa_public_view,
                                       coligacao_legislatura,
                                       frente_atualiza_lista_parlamentares,
                                       get_parlamentar_frentes,
diff --git a/sapl/parlamentares/views.py b/sapl/parlamentares/views.py
index 6844350d0..039ad0bf6 100644
--- a/sapl/parlamentares/views.py
+++ b/sapl/parlamentares/views.py
@@ -7,12 +7,11 @@ from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.contrib.auth.models import Group
 from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
-from django.db.models import F, Q
+from django.db.models import Q
 from django.db.models.aggregates import Count
 from django.http import JsonResponse
 from django.http.response import HttpResponseRedirect
 from django.shortcuts import render
-from django.templatetags.static import static
 from django.urls import reverse, reverse_lazy
 from django.utils import timezone
 from django.utils.datastructures import MultiValueDictKeyError
@@ -30,7 +29,7 @@ from sapl.crud.base import (RP_CHANGE, RP_DETAIL, RP_LIST, Crud, CrudAux,
                             CrudBaseForListAndDetailExternalAppView,
                             MasterDetailCrud, make_pagination)
 from sapl.materia.models import Autoria, Proposicao, Relatoria
-from sapl.norma.models import AutoriaNorma, NormaJuridica
+from sapl.norma.models import AutoriaNorma
 from sapl.parlamentares.apps import AppConfig
 from sapl.rules import SAPL_GROUP_VOTANTE
 from sapl.utils import parlamentares_ativos, show_results_filter_set
diff --git a/sapl/protocoloadm/views.py b/sapl/protocoloadm/views.py
index 73b09c605..22875e769 100755
--- a/sapl/protocoloadm/views.py
+++ b/sapl/protocoloadm/views.py
@@ -1,14 +1,12 @@
 import logging
 import os
 import re
-import time
 from datetime import datetime
 from io import BytesIO
 from random import choice
 from string import ascii_letters, digits
 
 from braces.views import FormValidMessageMixin
-from django.conf import settings
 from django.contrib import messages
 from django.contrib.admin.views.decorators import staff_member_required
 from django.contrib.auth.decorators import permission_required
@@ -29,7 +27,6 @@ from django.views.generic.edit import FormView
 from django_filters.views import FilterView
 from PyPDF4 import PdfFileMerger
 
-import sapl
 from sapl.base.email_utils import do_envia_email_confirmacao
 from sapl.base.models import AppConfig, Autor, CasaLegislativa
 from sapl.comissoes.models import Comissao
@@ -46,9 +43,9 @@ from sapl.protocoloadm.models import (DocumentoAdministrativo, Protocolo,
 from sapl.relatorios.views import relatorio_doc_administrativos
 from sapl.utils import (MultiFormatOutputMixin, create_barcode,
                         from_date_to_datetime_utc, get_base_url, get_client_ip,
-                        get_mime_type_from_file_extension, get_tempfile_dir,
-                        google_recaptcha_configured, lista_anexados,
-                        mail_service_configured, show_results_filter_set)
+                        get_mime_type_from_file_extension, google_recaptcha_configured,
+                        lista_anexados, mail_service_configured,
+                        show_results_filter_set)
 
 from ..settings import MEDIA_ROOT
 from .forms import (AcompanhamentoDocumentoForm, AnexadoEmLoteFilterSet,
diff --git a/sapl/relatorios/templates/pdf_capa_processo_preparar_pysc.py b/sapl/relatorios/templates/pdf_capa_processo_preparar_pysc.py
index c54337e8b..212ac3ac2 100755
--- a/sapl/relatorios/templates/pdf_capa_processo_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_capa_processo_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 response = request.RESPONSE
diff --git a/sapl/relatorios/templates/pdf_detalhe_materia_preparar_pysc.py b/sapl/relatorios/templates/pdf_detalhe_materia_preparar_pysc.py
index 65c5fbc96..24ae5b8d3 100644
--- a/sapl/relatorios/templates/pdf_detalhe_materia_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_detalhe_materia_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 response = request.RESPONSE
diff --git a/sapl/relatorios/templates/pdf_documento_administrativo_preparar_pysc.py b/sapl/relatorios/templates/pdf_documento_administrativo_preparar_pysc.py
index 8db2fb5dc..4fc3da337 100755
--- a/sapl/relatorios/templates/pdf_documento_administrativo_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_documento_administrativo_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 response = request.RESPONSE
diff --git a/sapl/relatorios/templates/pdf_espelho_preparar_pysc.py b/sapl/relatorios/templates/pdf_espelho_preparar_pysc.py
index 5b0d7e921..b4f5a077f 100644
--- a/sapl/relatorios/templates/pdf_espelho_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_espelho_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 response = request.RESPONSE
diff --git a/sapl/relatorios/templates/pdf_etiqueta_protocolo_preparar_pysc.py b/sapl/relatorios/templates/pdf_etiqueta_protocolo_preparar_pysc.py
index d12f9b53b..b5d3b55be 100755
--- a/sapl/relatorios/templates/pdf_etiqueta_protocolo_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_etiqueta_protocolo_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 response = request.RESPONSE
diff --git a/sapl/relatorios/templates/pdf_materia_preparar_pysc.py b/sapl/relatorios/templates/pdf_materia_preparar_pysc.py
index af4cbdc96..fa1015f20 100644
--- a/sapl/relatorios/templates/pdf_materia_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_materia_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 # print request
diff --git a/sapl/relatorios/templates/pdf_norma_preparar_pysc.py b/sapl/relatorios/templates/pdf_norma_preparar_pysc.py
index 56264dcd9..01a2aa738 100755
--- a/sapl/relatorios/templates/pdf_norma_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_norma_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 response = request.RESPONSE
diff --git a/sapl/relatorios/templates/pdf_ordem_dia_preparar_pysc.py b/sapl/relatorios/templates/pdf_ordem_dia_preparar_pysc.py
index 5adf29d2a..81b527e08 100644
--- a/sapl/relatorios/templates/pdf_ordem_dia_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_ordem_dia_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 response = request.RESPONSE
diff --git a/sapl/relatorios/templates/pdf_pauta_sessao_preparar_pysc.py b/sapl/relatorios/templates/pdf_pauta_sessao_preparar_pysc.py
index 7afab8534..66b681778 100755
--- a/sapl/relatorios/templates/pdf_pauta_sessao_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_pauta_sessao_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 response = request.RESPONSE
diff --git a/sapl/relatorios/templates/pdf_protocolo_preparar_pysc.py b/sapl/relatorios/templates/pdf_protocolo_preparar_pysc.py
index 2ea9e63dc..aad267cac 100755
--- a/sapl/relatorios/templates/pdf_protocolo_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_protocolo_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 response = request.RESPONSE
diff --git a/sapl/relatorios/templates/pdf_sessao_plenaria_gerar.py b/sapl/relatorios/templates/pdf_sessao_plenaria_gerar.py
index 2f0b52db6..c51663698 100644
--- a/sapl/relatorios/templates/pdf_sessao_plenaria_gerar.py
+++ b/sapl/relatorios/templates/pdf_sessao_plenaria_gerar.py
@@ -8,8 +8,6 @@ import logging
 import os
 import time
 
-from django.template.defaultfilters import safe
-from django.utils.html import strip_tags
 from trml2pdf import parseString
 
 from sapl.sessao.models import ResumoOrdenacao
diff --git a/sapl/relatorios/templates/pdf_sessao_plenaria_preparar_pysc.py b/sapl/relatorios/templates/pdf_sessao_plenaria_preparar_pysc.py
index 836461eea..e7d6ae310 100644
--- a/sapl/relatorios/templates/pdf_sessao_plenaria_preparar_pysc.py
+++ b/sapl/relatorios/templates/pdf_sessao_plenaria_preparar_pysc.py
@@ -1,4 +1,3 @@
-import os
 
 request = context.REQUEST
 response = request.RESPONSE
diff --git a/sapl/rules/management/commands/check_ids_sequences.py b/sapl/rules/management/commands/check_ids_sequences.py
index 037224f80..e63047980 100644
--- a/sapl/rules/management/commands/check_ids_sequences.py
+++ b/sapl/rules/management/commands/check_ids_sequences.py
@@ -3,7 +3,6 @@ import logging
 from django.apps import apps
 from django.core.management.base import BaseCommand
 from django.db import connection
-from django.db.utils import DEFAULT_DB_ALIAS
 
 logger = logging.getLogger(__name__)
 
diff --git a/sapl/sessao/forms.py b/sapl/sessao/forms.py
index 4a93af1a6..17175eec4 100644
--- a/sapl/sessao/forms.py
+++ b/sapl/sessao/forms.py
@@ -24,18 +24,17 @@ from sapl.parlamentares.models import Mandato, Parlamentar
 from sapl.protocoloadm.models import (DocumentoAdministrativo,
                                       TipoDocumentoAdministrativo)
 from sapl.sessao.models import Correspondencia
-from sapl.utils import (RANGE_DIAS_MES, RANGE_MESES, TIME_PATTERN,
-                        FileFieldCheckMixin, FilterOverridesMetaMixin,
-                        MateriaPesquisaOrderingFilter, autor_label,
-                        autor_modal, choice_anos_com_sessaoplenaria, timezone,
-                        validar_arquivo)
+from sapl.utils import (RANGE_DIAS_MES, RANGE_MESES, FileFieldCheckMixin,
+                        FilterOverridesMetaMixin, MateriaPesquisaOrderingFilter,
+                        autor_label, autor_modal,
+                        choice_anos_com_sessaoplenaria, timezone, validar_arquivo)
 
 from .models import (ORDENACAO_RESUMO, Bancada, ExpedienteMateria,
                      JustificativaAusencia, OcorrenciaSessao, Orador,
                      OradorExpediente, OradorOrdemDia, OrdemDia,
                      PresencaOrdemDia, RegistroLeitura, ResumoOrdenacao,
                      RetiradaPauta, SessaoPlenaria, SessaoPlenariaPresenca,
-                     TipoResultadoVotacao, TipoRetiradaPauta, Tramitacao)
+                     TipoResultadoVotacao, TipoRetiradaPauta)
 
 MES_CHOICES = RANGE_MESES
 DIA_CHOICES = RANGE_DIAS_MES
diff --git a/sapl/sessao/migrations/0005_auto_20170601_1246.py b/sapl/sessao/migrations/0005_auto_20170601_1246.py
index 842f99319..cd77b83db 100644
--- a/sapl/sessao/migrations/0005_auto_20170601_1246.py
+++ b/sapl/sessao/migrations/0005_auto_20170601_1246.py
@@ -5,7 +5,6 @@ from __future__ import unicode_literals
 from django.conf import settings
 from django.db import migrations, models
 import django.db.models.deletion
-from datetime import datetime
 
 
 class Migration(migrations.Migration):
diff --git a/sapl/sessao/serializers.py b/sapl/sessao/serializers.py
index b7d93a4c5..8b1378917 100644
--- a/sapl/sessao/serializers.py
+++ b/sapl/sessao/serializers.py
@@ -1,3 +1 @@
-from rest_framework import serializers
 
-from .models import SessaoPlenaria
diff --git a/sapl/sessao/tests/test_sessao_view.py b/sapl/sessao/tests/test_sessao_view.py
index d5130b807..7f5a83741 100644
--- a/sapl/sessao/tests/test_sessao_view.py
+++ b/sapl/sessao/tests/test_sessao_view.py
@@ -5,19 +5,15 @@ from model_bakery import baker
 
 from sapl.parlamentares.models import (CargoMesa, Filiacao, Legislatura,
                                        Parlamentar, SessaoLegislativa)
-from sapl.sessao.models import (ExpedienteMateria, ExpedienteSessao,
-                                IntegranteMesa, JustificativaAusencia,
-                                OcorrenciaSessao, Orador, SessaoPlenaria,
-                                SessaoPlenariaPresenca, TipoExpediente,
-                                TipoSessaoPlenaria)
+from sapl.sessao.models import (ExpedienteSessao, IntegranteMesa,
+                                JustificativaAusencia, OcorrenciaSessao,
+                                Orador, SessaoPlenaria, SessaoPlenariaPresenca,
+                                TipoExpediente, TipoSessaoPlenaria)
 from sapl.sessao.views import (get_conteudo_multimidia, get_expedientes,
                                get_identificacao_basica,
-                               get_materias_expediente,
-                               get_materias_ordem_do_dia, get_mesa_diretora,
-                               get_ocorrencias_da_sessao,
-                               get_oradores_expediente,
-                               get_oradores_explicacoes_pessoais,
-                               get_presenca_ordem_do_dia, get_presenca_sessao)
+                               get_mesa_diretora,
+                               get_ocorrencias_da_sessao, get_oradores_explicacoes_pessoais,
+                               get_presenca_sessao)
 
 
 @pytest.mark.django_db(transaction=False)
diff --git a/sapl/sessao/views.py b/sapl/sessao/views.py
index bb615a7d9..380ac1708 100755
--- a/sapl/sessao/views.py
+++ b/sapl/sessao/views.py
@@ -1,10 +1,7 @@
-import json
 import logging
-from collections import OrderedDict
 from datetime import datetime
 from re import sub
 
-from django.conf import settings
 from django.contrib import messages
 from django.contrib.auth.decorators import permission_required
 from django.contrib.auth.mixins import PermissionRequiredMixin
@@ -13,7 +10,6 @@ from django.db.models import Max, Q
 from django.http import JsonResponse
 from django.http.response import Http404, HttpResponseRedirect
 from django.urls import reverse
-from django.urls.base import reverse_lazy
 from django.utils import timezone
 from django.utils.datastructures import MultiValueDictKeyError
 from django.utils.decorators import method_decorator
@@ -32,19 +28,17 @@ from sapl.crud.base import (RP_DETAIL, RP_LIST, Crud, CrudAux,
                             MasterDetailCrud,
                             PermissionRequiredForAppCrudMixin, make_pagination)
 from sapl.materia.forms import filtra_tramitacao_status
-from sapl.materia.models import (Autoria, MateriaEmTramitacao, Numeracao,
-                                 TipoMateriaLegislativa, Tramitacao)
+from sapl.materia.models import (Autoria, MateriaEmTramitacao, TipoMateriaLegislativa,
+                                 Tramitacao)
 from sapl.materia.views import MateriaLegislativaPesquisaView
 from sapl.parlamentares.models import (Filiacao, Legislatura, Mandato,
                                        Parlamentar, SessaoLegislativa)
-from sapl.protocoloadm.models import (DocumentoAdministrativo,
-                                      TipoDocumentoAdministrativo)
+from sapl.protocoloadm.models import DocumentoAdministrativo
 from sapl.sessao.apps import AppConfig
 from sapl.sessao.forms import (CorrespondenciaEmLoteFilterSet,
                                CorrespondenciaForm, ExpedienteMateriaForm,
                                OrdemDiaForm, OrdemExpedienteLeituraForm)
 from sapl.sessao.models import Correspondencia
-from sapl.settings import TIME_ZONE
 from sapl.utils import (MultiFormatOutputMixin, PautaMultiFormatOutputMixin,
                         get_client_ip, remover_acentos,
                         show_results_filter_set)
diff --git a/sapl/settings.py b/sapl/settings.py
index 03bc59260..4ff9cf067 100644
--- a/sapl/settings.py
+++ b/sapl/settings.py
@@ -15,7 +15,6 @@ See https://docs.djangoproject.com/en/1.8/howto/deployment/checklist/
 """
 import logging
 import socket
-import sys
 
 from decouple import config
 from dj_database_url import parse as db_url
diff --git a/sapl/test_urls.py b/sapl/test_urls.py
index 41544ad6e..bfe9ebe7d 100644
--- a/sapl/test_urls.py
+++ b/sapl/test_urls.py
@@ -464,7 +464,6 @@ def test_permissions_urls_for_users_by_apps(url_item, client):
 
                     urls_publicas_excecoes, logo acima do teste
                 """
-                pass
 
     if isinstance(app_labels, str):
         app_labels = (app_labels,)
diff --git a/sapl/utils.py b/sapl/utils.py
index 7aedfee69..fb16fab69 100644
--- a/sapl/utils.py
+++ b/sapl/utils.py
@@ -6,11 +6,10 @@ import os
 import platform
 import re
 import string
-import sys
 import tempfile
 import unicodedata
 from functools import wraps
-from itertools import chain, groupby
+from itertools import groupby
 from operator import itemgetter
 from time import time
 from unicodedata import normalize as unicodedata_normalize
@@ -36,7 +35,6 @@ from django.core.files.uploadedfile import (InMemoryUploadedFile,
 from django.core.mail import get_connection
 from django.db import models
 from django.db.models import Q
-from django.db.models.fields.related import ForeignKey
 from django.forms import BaseForm
 from django.forms.widgets import ClearableFileInput, SplitDateTimeWidget
 from django.http.response import HttpResponse, JsonResponse