diff --git a/sapl/api/views.py b/sapl/api/views.py
index 5dd86cf09..71aa1b225 100644
--- a/sapl/api/views.py
+++ b/sapl/api/views.py
@@ -5,7 +5,8 @@ from django.utils.translation import ugettext_lazy as _
 from rest_framework.filters import DjangoFilterBackend
 from rest_framework.generics import ListAPIView
 from rest_framework.mixins import ListModelMixin, RetrieveModelMixin
-from rest_framework.permissions import IsAuthenticated, IsAuthenticatedOrReadOnly
+from rest_framework.permissions import (IsAuthenticated,
+                                        IsAuthenticatedOrReadOnly)
 from rest_framework.viewsets import GenericViewSet
 
 from sapl.api.forms import AutorChoiceFilterSet
diff --git a/sapl/base/forms.py b/sapl/base/forms.py
index 7f1eef180..ffca1eaa6 100644
--- a/sapl/base/forms.py
+++ b/sapl/base/forms.py
@@ -1,3 +1,4 @@
+import django_filters
 from crispy_forms.bootstrap import FieldWithButtons, InlineRadios, StrictButton
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import HTML, Button, Div, Field, Fieldset, Layout, Row
@@ -12,9 +13,8 @@ from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ValidationError
 from django.db import models, transaction
 from django.forms import ModelForm
-from django.utils.translation import string_concat
 from django.utils.translation import ugettext_lazy as _
-import django_filters
+from django.utils.translation import string_concat
 
 from sapl.base.models import Autor, TipoAutor
 from sapl.crispy_layout_mixin import (SaplFormLayout, form_actions, to_column,
@@ -28,7 +28,6 @@ from sapl.utils import (RANGE_ANOS, ChoiceWithoutValidationField,
 
 from .models import AppConfig, CasaLegislativa
 
-
 ACTION_CREATE_USERS_AUTOR_CHOICE = [
     ('C', _('Criar novo Usuário')),
     ('A', _('Associar um usuário existente')),
diff --git a/sapl/base/urls.py b/sapl/base/urls.py
index 08f456f3b..bfaf5b7bd 100644
--- a/sapl/base/urls.py
+++ b/sapl/base/urls.py
@@ -1,17 +1,16 @@
 from django.conf.urls import include, url
 from django.contrib.auth import views
-from django.contrib.auth.views import (password_reset,
-                                       password_reset_done,
-                                       password_reset_confirm,
-                                       password_reset_complete)
 from django.contrib.auth.decorators import permission_required
+from django.contrib.auth.views import (password_reset, password_reset_complete,
+                                       password_reset_confirm,
+                                       password_reset_done)
 from django.views.generic.base import TemplateView
 
 from sapl.base.views import AutorCrud, ConfirmarEmailView, TipoAutorCrud
+from sapl.settings import EMAIL_SEND_USER
 
 from .apps import AppConfig
 from .forms import LoginForm, NovaSenhaForm, RecuperarSenhaForm
-from sapl.settings import EMAIL_SEND_USER
 from .views import (AppConfigCrud, CasaLegislativaCrud, HelpView,
                     RelatorioAtasView, RelatorioHistoricoTramitacaoView,
                     RelatorioMateriasPorAnoAutorTipoView,
diff --git a/sapl/compilacao/forms.py b/sapl/compilacao/forms.py
index 0374846fc..64a2e48a3 100644
--- a/sapl/compilacao/forms.py
+++ b/sapl/compilacao/forms.py
@@ -25,7 +25,6 @@ from sapl.compilacao.utils import DISPOSITIVO_SELECT_RELATED
 from sapl.crispy_layout_mixin import SaplFormLayout, to_column, to_row
 from sapl.utils import YES_NO_CHOICES
 
-
 error_messages = {
     'required': _('Este campo é obrigatório'),
     'invalid': _('URL inválida.')
diff --git a/sapl/compilacao/models.py b/sapl/compilacao/models.py
index c131564aa..5b022fffa 100644
--- a/sapl/compilacao/models.py
+++ b/sapl/compilacao/models.py
@@ -12,8 +12,8 @@ from django.template import defaultfilters
 from django.utils.decorators import classonlymethod
 from django.utils.translation import ugettext_lazy as _
 
-from sapl.compilacao.utils import int_to_letter, int_to_roman,\
-    get_integrations_view_names
+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
 
 
diff --git a/sapl/compilacao/views.py b/sapl/compilacao/views.py
index bfb0903d9..2dc8f688c 100644
--- a/sapl/compilacao/views.py
+++ b/sapl/compilacao/views.py
@@ -1,7 +1,7 @@
-from collections import OrderedDict
-from datetime import datetime, timedelta
 import logging
 import sys
+from collections import OrderedDict
+from datetime import datetime, timedelta
 
 from braces.views import FormMessagesMixin
 from django import forms
@@ -10,7 +10,7 @@ from django.contrib import messages
 from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.contrib.contenttypes.models import ContentType
 from django.core.signing import Signer
-from django.core.urlresolvers import reverse_lazy, reverse
+from django.core.urlresolvers import reverse, reverse_lazy
 from django.db import connection, transaction
 from django.db.models import Q
 from django.db.utils import IntegrityError
@@ -19,8 +19,8 @@ from django.http.response import (HttpResponse, HttpResponseRedirect,
 from django.shortcuts import get_object_or_404, redirect
 from django.utils.dateparse import parse_date
 from django.utils.encoding import force_text
-from django.utils.translation import string_concat
 from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import string_concat
 from django.views.generic.base import TemplateView
 from django.views.generic.detail import DetailView
 from django.views.generic.edit import (CreateView, DeleteView, FormView,
@@ -37,20 +37,19 @@ from sapl.compilacao.forms import (DispositivoDefinidorVigenciaForm,
                                    DispositivoSearchModalForm, NotaForm,
                                    PublicacaoForm, TaForm,
                                    TextNotificacoesForm, TipoTaForm, VideForm)
-from sapl.compilacao.models import (Dispositivo, Nota,
+from sapl.compilacao.models import (STATUS_TA_EDITION, STATUS_TA_PRIVATE,
+                                    STATUS_TA_PUBLIC, Dispositivo, Nota,
                                     PerfilEstruturalTextoArticulado,
                                     Publicacao, TextoArticulado,
                                     TipoDispositivo, TipoNota, TipoPublicacao,
                                     TipoTextoArticulado, TipoVide,
-                                    VeiculoPublicacao, Vide, STATUS_TA_EDITION,
-                                    STATUS_TA_PRIVATE, STATUS_TA_PUBLIC)
+                                    VeiculoPublicacao, Vide)
 from sapl.compilacao.utils import (DISPOSITIVO_SELECT_RELATED,
                                    DISPOSITIVO_SELECT_RELATED_EDIT,
                                    get_integrations_view_names)
 from sapl.crud.base import Crud, CrudListView, make_pagination
 from sapl.settings import BASE_DIR
 
-
 TipoNotaCrud = Crud.build(TipoNota, 'tipo_nota')
 TipoVideCrud = Crud.build(TipoVide, 'tipo_vide')
 TipoPublicacaoCrud = Crud.build(TipoPublicacao, 'tipo_publicacao')
diff --git a/sapl/crispy_layout_mixin.py b/sapl/crispy_layout_mixin.py
index 555a04f19..2c9bc7c37 100644
--- a/sapl/crispy_layout_mixin.py
+++ b/sapl/crispy_layout_mixin.py
@@ -1,12 +1,12 @@
 from math import ceil
 
+import rtyaml
 from crispy_forms.bootstrap import FormActions
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import HTML, Div, Fieldset, Layout, Submit
 from django import template
 from django.utils import formats
 from django.utils.translation import ugettext as _
-import rtyaml
 
 
 def heads_and_tails(list_of_lists):
diff --git a/sapl/crud/base.py b/sapl/crud/base.py
index 7c39850bf..b70e7a54a 100644
--- a/sapl/crud/base.py
+++ b/sapl/crud/base.py
@@ -16,8 +16,8 @@ from django.http.response import Http404
 from django.shortcuts import redirect
 from django.utils.decorators import classonlymethod
 from django.utils.encoding import force_text
-from django.utils.translation import string_concat
 from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import string_concat
 from django.views.generic import (CreateView, DeleteView, DetailView, ListView,
                                   UpdateView)
 from django.views.generic.base import ContextMixin
@@ -29,7 +29,6 @@ from sapl.rules.map_rules import (RP_ADD, RP_CHANGE, RP_DELETE, RP_DETAIL,
 from sapl.settings import BASE_DIR
 from sapl.utils import normalize
 
-
 logger = logging.getLogger(BASE_DIR.name)
 
 ACTION_LIST, ACTION_CREATE, ACTION_DETAIL, ACTION_UPDATE, ACTION_DELETE = \
diff --git a/sapl/legacy/migration.py b/sapl/legacy/migration.py
index 1e5f0e13b..7fece5489 100644
--- a/sapl/legacy/migration.py
+++ b/sapl/legacy/migration.py
@@ -1,24 +1,24 @@
 import re
+from datetime import date
 
 import pkg_resources
 import yaml
-from datetime import date
 from django.apps import apps
 from django.apps.config import AppConfig
 from django.contrib.auth import get_user_model
 from django.core.exceptions import ObjectDoesNotExist
-from django.db import connections, models, OperationalError, ProgrammingError
-from django.db.models import CharField, TextField, ProtectedError, Max
+from django.db import OperationalError, ProgrammingError, connections, models
+from django.db.models import CharField, Max, ProtectedError, TextField
 from django.db.models.base import ModelBase
 from model_mommy import mommy
 from model_mommy.mommy import foreign_key_required, make
 
 from sapl.base.models import Autor, ProblemaMigracao
 from sapl.comissoes.models import Comissao, Composicao, Participacao
+from sapl.legacy.models import Protocolo as ProtocoloLegado
 from sapl.materia.models import (Proposicao, StatusTramitacao, TipoDocumento,
                                  TipoMateriaLegislativa, TipoProposicao,
                                  Tramitacao)
-from sapl.legacy.models import Protocolo as ProtocoloLegado
 from sapl.norma.models import AssuntoNorma, NormaJuridica
 from sapl.parlamentares.models import Parlamentar
 from sapl.protocoloadm.models import Protocolo, StatusTramitacaoAdministrativo
diff --git a/sapl/legacy_migration_settings.py b/sapl/legacy_migration_settings.py
index 4176c6df9..01b66f7ab 100644
--- a/sapl/legacy_migration_settings.py
+++ b/sapl/legacy_migration_settings.py
@@ -1,11 +1,10 @@
 import os
 
-from decouple import Config, RepositoryEnv, AutoConfig
+from decouple import AutoConfig, Config, RepositoryEnv
 from dj_database_url import parse as db_url
 
 from .settings import *  # flake8: noqa
 
-
 config = AutoConfig()
 config.config = Config(RepositoryEnv(os.path.abspath('sapl/legacy/.env')))
 
diff --git a/sapl/materia/forms.py b/sapl/materia/forms.py
index 19f3dac0c..e93f9fe6d 100644
--- a/sapl/materia/forms.py
+++ b/sapl/materia/forms.py
@@ -1,11 +1,9 @@
 
 import os
 from datetime import date, datetime
-from itertools import chain
 
 import django_filters
-from crispy_forms.bootstrap import (Alert, FormActions, InlineCheckboxes,
-                                    InlineRadios)
+from crispy_forms.bootstrap import Alert, FormActions, InlineRadios
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import (HTML, Button, Column, Div, Field, Fieldset,
                                  Layout, Submit)
diff --git a/sapl/materia/models.py b/sapl/materia/models.py
index ee453c020..e18f662d6 100644
--- a/sapl/materia/models.py
+++ b/sapl/materia/models.py
@@ -11,14 +11,13 @@ from model_utils import Choices
 
 from sapl.base.models import Autor
 from sapl.comissoes.models import Comissao
-from sapl.compilacao.models import TextoArticulado,\
-    PerfilEstruturalTextoArticulado
+from sapl.compilacao.models import (PerfilEstruturalTextoArticulado,
+                                    TextoArticulado)
 from sapl.parlamentares.models import Parlamentar
 from sapl.utils import (RANGE_ANOS, YES_NO_CHOICES, SaplGenericForeignKey,
                         SaplGenericRelation, restringe_tipos_de_arquivo_txt,
                         texto_upload_path)
 
-
 EM_TRAMITACAO = [(1, 'Sim'),
                  (0, 'Não')]
 
diff --git a/sapl/materia/views.py b/sapl/materia/views.py
index 619c1dde2..328de00ec 100644
--- a/sapl/materia/views.py
+++ b/sapl/materia/views.py
@@ -16,8 +16,7 @@ from django.shortcuts import get_object_or_404, redirect
 from django.template import Context, loader
 from django.utils import formats
 from django.utils.translation import ugettext_lazy as _
-from django.views.generic import (CreateView, DetailView, ListView,
-                                  TemplateView, UpdateView)
+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
diff --git a/sapl/norma/forms.py b/sapl/norma/forms.py
index 6fc6ca521..932431d0d 100644
--- a/sapl/norma/forms.py
+++ b/sapl/norma/forms.py
@@ -1,5 +1,6 @@
 from datetime import datetime
 
+import django_filters
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import Fieldset, Layout
 from django import forms
@@ -7,7 +8,6 @@ from django.core.exceptions import ObjectDoesNotExist, ValidationError
 from django.db import models
 from django.forms import ModelForm, widgets
 from django.utils.translation import ugettext_lazy as _
-import django_filters
 
 from sapl.crispy_layout_mixin import form_actions, to_row
 from sapl.materia.models import MateriaLegislativa, TipoMateriaLegislativa
diff --git a/sapl/painel/views.py b/sapl/painel/views.py
index 854197b16..ecaef5f4a 100644
--- a/sapl/painel/views.py
+++ b/sapl/painel/views.py
@@ -1,11 +1,10 @@
-from django.http.response import HttpResponseRedirect
-from django.core.urlresolvers import reverse
 from datetime import date
-from sapl.utils import get_client_ip
 
 from django.contrib.auth.decorators import user_passes_test
 from django.core.exceptions import ObjectDoesNotExist
+from django.core.urlresolvers import reverse
 from django.http import HttpResponse, JsonResponse
+from django.http.response import HttpResponseRedirect
 from django.shortcuts import render
 from django.utils.translation import ugettext_lazy as _
 
@@ -17,9 +16,12 @@ from sapl.sessao.models import (ExpedienteMateria, OrdemDia, PresencaOrdemDia,
                                 RegistroVotacao, SessaoPlenaria,
                                 SessaoPlenariaPresenca, VotoNominal,
                                 VotoParlamentar)
+from sapl.utils import get_client_ip
 
 from .models import Cronometro
 
+VOTACAO_NOMINAL = 2
+
 CronometroPainelCrud = Crud.build(Cronometro, '')
 
 # FIXME mudar lógica
@@ -49,7 +51,7 @@ def votante_view(request, pk):
 
     if ordem_dia:
         materia = ordem_dia.materia
-        if ordem_dia.tipo_votacao == 2:
+        if ordem_dia.tipo_votacao == VOTACAO_NOMINAL:
             context.update({'materia': materia, 'ementa': materia.ementa})
             presentes = PresencaOrdemDia.objects.filter(sessao_plenaria_id=pk)
         else:
@@ -57,7 +59,7 @@ def votante_view(request, pk):
                 {'materia': 'A matéria aberta não é votação nominal.'})
     elif expediente:
         materia = expediente.materia
-        if expediente.tipo_votacao == 2:
+        if expediente.tipo_votacao == VOTACAO_NOMINAL:
             context.update({'materia': materia, 'ementa': materia.ementa})
             presentes = SessaoPlenariaPresenca.objects.filter(
                 sessao_plenaria_id=pk)
diff --git a/sapl/parlamentares/apps.py b/sapl/parlamentares/apps.py
index 49c8f20aa..41f6d0b38 100644
--- a/sapl/parlamentares/apps.py
+++ b/sapl/parlamentares/apps.py
@@ -1,6 +1,4 @@
 from django import apps
-from django.core.exceptions import ObjectDoesNotExist
-from django.db.models.signals import post_migrate
 from django.utils.translation import ugettext_lazy as _
 
 
diff --git a/sapl/parlamentares/forms.py b/sapl/parlamentares/forms.py
index 54022912e..3d85c3045 100644
--- a/sapl/parlamentares/forms.py
+++ b/sapl/parlamentares/forms.py
@@ -3,8 +3,7 @@ from datetime import date, timedelta
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import Fieldset, Layout
 from django import forms
-from django.contrib.auth.models import Group
-from django.contrib.auth.models import User
+from django.contrib.auth.models import Group, User
 from django.core.exceptions import ValidationError
 from django.db import transaction
 from django.db.models import Q
diff --git a/sapl/parlamentares/models.py b/sapl/parlamentares/models.py
index 1c5e38e80..63177a734 100644
--- a/sapl/parlamentares/models.py
+++ b/sapl/parlamentares/models.py
@@ -5,7 +5,6 @@ from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from model_utils import Choices
 
-from sapl.api import permissions
 from sapl.base.models import Autor
 from sapl.utils import (INDICADOR_AFASTAMENTO, UF, YES_NO_CHOICES,
                         SaplGenericRelation, intervalos_tem_intersecao,
diff --git a/sapl/parlamentares/views.py b/sapl/parlamentares/views.py
index 51514caad..e1a0e22df 100644
--- a/sapl/parlamentares/views.py
+++ b/sapl/parlamentares/views.py
@@ -12,7 +12,6 @@ from sapl.crud.base import (RP_CHANGE, RP_DETAIL, RP_LIST, Crud, CrudAux,
                             MasterDetailCrud)
 from sapl.materia.models import Proposicao, Relatoria
 from sapl.parlamentares.apps import AppConfig
-from sapl.utils import get_client_ip
 
 from .forms import (FiliacaoForm, LegislaturaCreateForm, LegislaturaUpdateForm,
                     ParlamentarCreateForm, ParlamentarForm, VotanteForm)
@@ -106,7 +105,8 @@ class ProposicaoParlamentarCrud(CrudBaseForListAndDetailExternalAppView):
     class ListView(CrudBaseForListAndDetailExternalAppView.ListView):
 
         def get_context_data(self, **kwargs):
-            context = CrudBaseForListAndDetailExternalAppView.ListView.get_context_data(self, **kwargs)
+            context = CrudBaseForListAndDetailExternalAppView\
+                            .ListView.get_context_data(self, **kwargs)
             context['title'] = context['title'].replace(
                 'Proposições', 'Matérias')
             return context
@@ -385,8 +385,8 @@ class MesaDiretoraView(FormView):
     def existe_membro_mesa(self, sessao_plenaria, cargo):
         return ComposicaoMesa.objects.filter(
             sessao_legislativa_id=sessao_plenaria.id,
-            #parlamentar_id = integrante.parlamentar_id,
-            cargo_id = cargo.id
+            # parlamentar_id = integrante.parlamentar_id,
+            cargo_id=cargo.id
             ).exists()
 
     def post(self, request, *args, **kwargs):
diff --git a/sapl/protocoloadm/views.py b/sapl/protocoloadm/views.py
index 3c9f592dd..4dea7a38b 100644
--- a/sapl/protocoloadm/views.py
+++ b/sapl/protocoloadm/views.py
@@ -92,7 +92,7 @@ class ProtocoloPesquisaView(PermissionRequiredMixin, FilterView):
         qs = self.get_queryset().order_by('ano', 'numero')
 
         qs = qs.distinct()
-        
+
         if 'o' in self.request.GET and not self.request.GET['o']:
             qs = qs.order_by('-ano', '-numero')
 
@@ -406,7 +406,7 @@ class PesquisarDocumentoAdministrativoView(DocumentoAdministrativoMixin,
         qs = self.get_queryset()
 
         qs = qs.distinct()
-        
+
         if 'o' in self.request.GET and not self.request.GET['o']:
             qs = qs.order_by('-ano', '-numero')
 
diff --git a/sapl/rules/apps.py b/sapl/rules/apps.py
index 66fd06632..b6982b587 100644
--- a/sapl/rules/apps.py
+++ b/sapl/rules/apps.py
@@ -1,5 +1,6 @@
 from builtins import LookupError
 
+import django
 from django.apps import apps
 from django.conf import settings
 from django.contrib.auth import get_user_model
@@ -7,9 +8,8 @@ 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 string_concat
 from django.utils.translation import ugettext_lazy as _
-import django
+from django.utils.translation import string_concat
 
 from sapl.rules import (SAPL_GROUP_ADMINISTRATIVO, SAPL_GROUP_COMISSOES,
                         SAPL_GROUP_GERAL, SAPL_GROUP_MATERIA, SAPL_GROUP_NORMA,
diff --git a/sapl/rules/map_rules.py b/sapl/rules/map_rules.py
index 8813f0931..548eba0c4 100644
--- a/sapl/rules/map_rules.py
+++ b/sapl/rules/map_rules.py
@@ -7,15 +7,14 @@ from sapl.norma import models as norma
 from sapl.painel import models as painel
 from sapl.parlamentares import models as parlamentares
 from sapl.protocoloadm import models as protocoloadm
-from sapl.rules import (SAPL_GROUP_ADMINISTRATIVO, SAPL_GROUP_ANONYMOUS,
+from sapl.rules import (RP_ADD, RP_CHANGE, RP_DELETE, RP_DETAIL, RP_LIST,
+                        SAPL_GROUP_ADMINISTRATIVO, SAPL_GROUP_ANONYMOUS,
                         SAPL_GROUP_AUTOR, SAPL_GROUP_COMISSOES,
                         SAPL_GROUP_GERAL, SAPL_GROUP_LOGIN_SOCIAL,
                         SAPL_GROUP_MATERIA, SAPL_GROUP_NORMA,
                         SAPL_GROUP_PAINEL, SAPL_GROUP_PARLAMENTAR,
                         SAPL_GROUP_PROTOCOLO, SAPL_GROUP_SESSAO,
-                        RP_LIST, RP_DETAIL, RP_ADD, RP_CHANGE, RP_DELETE,
                         SAPL_GROUP_VOTANTE)
-
 from sapl.sessao import models as sessao
 
 """
@@ -111,7 +110,8 @@ rules_group_materia = {
             # quando testes forem feitos para permtir que matérias possam
             # ser vinculadas a outras matérias via registro de compilação.
             # Normalmente emendas e/ou projetos substitutivos podem alterar
-            # uma matéria original. Fazer esse registro de compilação ofereceria
+            # uma matéria original.
+            # Fazer esse registro de compilação ofereceria
             # um autografo eletrônico pronto para ser convertido em Norma.
         ])
     ]
diff --git a/sapl/sessao/models.py b/sapl/sessao/models.py
index 530dd77d0..369b5a0e2 100644
--- a/sapl/sessao/models.py
+++ b/sapl/sessao/models.py
@@ -85,6 +85,7 @@ def ata_upload_path(instance, filename):
     return texto_upload_path(instance, filename, subpath='ata')
     # return get_sessao_media_path(instance, 'ata', filename)
 
+
 def anexo_upload_path(instance, filename):
     return texto_upload_path(instance, filename, subpath='anexo')
     # return get_sessao_media_path(instance, 'anexo', filename)
@@ -171,7 +172,8 @@ class SessaoPlenaria(models.Model):
     def save(self, force_insert=False, force_update=False, using=None,
              update_fields=None):
 
-        if not self.pk and (self.upload_pauta or self.upload_ata or self.upload_anexo):
+        if not self.pk and (self.upload_pauta or
+                            self.upload_ata or self.upload_anexo):
             upload_pauta = self.upload_pauta
             upload_ata = self.upload_ata
             upload_anexo = self.upload_anexo
diff --git a/sapl/settings.py b/sapl/settings.py
index 9a072211d..918b4d2b2 100644
--- a/sapl/settings.py
+++ b/sapl/settings.py
@@ -14,7 +14,6 @@ See https://docs.djangoproject.com/en/1.8/howto/deployment/checklist/
 
 """
 import logging
-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 214b7e7bf..bcddfcc9e 100644
--- a/sapl/test_urls.py
+++ b/sapl/test_urls.py
@@ -1,12 +1,12 @@
+import pytest
 from django.apps import apps
 from django.contrib.auth import get_user_model
 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 string_concat
 from django.utils.translation import ugettext_lazy as _
-import pytest
+from django.utils.translation import string_concat
 
 from sapl.crud.base import PermissionRequiredForAppCrudMixin
 from sapl.rules.apps import AppConfig, update_groups
@@ -14,7 +14,6 @@ from scripts.lista_urls import lista_urls
 
 from .settings import SAPL_APPS
 
-
 pytestmark = pytest.mark.django_db
 
 sapl_appconfs = [apps.get_app_config(n[5:]) for n in SAPL_APPS]
diff --git a/sapl/urls.py b/sapl/urls.py
index 1869e760c..58deafa3a 100644
--- a/sapl/urls.py
+++ b/sapl/urls.py
@@ -17,7 +17,7 @@ from django.conf import settings
 from django.conf.urls import include, url
 from django.conf.urls.static import static
 from django.contrib import admin
-from django.views.generic.base import TemplateView, RedirectView
+from django.views.generic.base import RedirectView, TemplateView
 from django.views.static import serve as view_static_server
 
 import sapl.api.urls
@@ -33,7 +33,6 @@ import sapl.protocoloadm.urls
 import sapl.relatorios.urls
 import sapl.sessao.urls
 
-
 urlpatterns = [
     url(r'^$', TemplateView.as_view(template_name='index.html')),
     url(r'^message$', TemplateView.as_view(template_name='base.html')),
diff --git a/sapl/utils.py b/sapl/utils.py
index 89f3829c8..bda144e5d 100644
--- a/sapl/utils.py
+++ b/sapl/utils.py
@@ -1,10 +1,12 @@
-from datetime import date
-from functools import wraps
-from unicodedata import normalize as unicodedata_normalize
 import hashlib
 import logging
 import re
+from datetime import date
+from functools import wraps
+from unicodedata import normalize as unicodedata_normalize
 
+import django_filters
+import magic
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import HTML, Button
 from django import forms
@@ -16,13 +18,10 @@ from django.contrib.contenttypes.fields import (GenericForeignKey, GenericRel,
 from django.core.exceptions import ValidationError
 from django.utils.translation import ugettext_lazy as _
 from floppyforms import ClearableFileInput
-import django_filters
-import magic
 
 from sapl.crispy_layout_mixin import SaplFormLayout, form_actions, to_row
 from sapl.settings import BASE_DIR
 
-
 sapl_logger = logging.getLogger(BASE_DIR.name)