diff --git a/sapl/api/forms.py b/sapl/api/forms.py
index 5ac75f00f..fef0952c8 100644
--- a/sapl/api/forms.py
+++ b/sapl/api/forms.py
@@ -1,11 +1,9 @@
-from django.contrib.contenttypes.fields import GenericRel
 from django.db.models import Q
 from django_filters.filters import MethodFilter, ModelChoiceFilter
 from rest_framework.filters import FilterSet
 
 from sapl.base.forms import autores_models_generic_relations
 from sapl.base.models import Autor, TipoAutor
-from sapl.utils import SaplGenericRelation
 
 
 class AutorChoiceFilterSet(FilterSet):
@@ -31,7 +29,7 @@ class AutorChoiceFilterSet(FilterSet):
                 order_by = []
 
                 for gr in autores_models_generic_relations():
-                    model = gr[0]
+                    # model = gr[0]
                     sgr = gr[1]
                     for item in sgr:
                         if item.related_model != Autor:
diff --git a/sapl/api/pagination.py b/sapl/api/pagination.py
index 75941c1d3..bb7096a55 100644
--- a/sapl/api/pagination.py
+++ b/sapl/api/pagination.py
@@ -1,5 +1,4 @@
 from django.core.paginator import EmptyPage
-from django.utils.encoding import force_text
 from rest_framework import pagination
 from rest_framework.response import Response
 
diff --git a/sapl/api/serializers.py b/sapl/api/serializers.py
index 1dc502450..44b6a44e6 100644
--- a/sapl/api/serializers.py
+++ b/sapl/api/serializers.py
@@ -1,8 +1,6 @@
-from django.contrib.contenttypes.fields import GenericRel
 from rest_framework import serializers
 
 from sapl.base.models import Autor
-from sapl.utils import SaplGenericRelation
 
 
 class ChoiceSerializer(serializers.Serializer):
diff --git a/sapl/api/urls.py b/sapl/api/urls.py
index d87a5d48f..a23984ba7 100644
--- a/sapl/api/urls.py
+++ b/sapl/api/urls.py
@@ -1,11 +1,10 @@
 from django.conf import settings
-from django.conf.urls import url, include
+from django.conf.urls import include, url
 
 from sapl.api.views import AutorListView
 
 from .apps import AppConfig
 
-
 app_name = AppConfig.name
 
 
diff --git a/sapl/api/views.py b/sapl/api/views.py
index 4d5ee0ca8..e33807454 100644
--- a/sapl/api/views.py
+++ b/sapl/api/views.py
@@ -1,14 +1,13 @@
-
 from django.db.models import Q
 from django.http import Http404
 from django.utils.translation import ugettext_lazy as _
 from rest_framework.filters import DjangoFilterBackend
 from rest_framework.generics import ListAPIView
-from rest_framework.permissions import IsAuthenticated, AllowAny
+from rest_framework.permissions import AllowAny, IsAuthenticated
 
 from sapl.api.forms import AutorChoiceFilterSet
-from sapl.api.serializers import ChoiceSerializer, AutorSerializer,\
-    AutorChoiceSerializer
+from sapl.api.serializers import (AutorChoiceSerializer, AutorSerializer,
+                                  ChoiceSerializer)
 from sapl.base.models import Autor, TipoAutor
 from sapl.utils import SaplGenericRelation, sapl_logger
 
@@ -32,7 +31,7 @@ class AutorListView(ListAPIView):
                       em combobox, radiobox, checkbox, etc com pesquisa básica
                       de Autores mas feito para Possíveis Autores armazenados
                       segundo o ContentType associado ao Tipo de Autor via
-                      relacionamento genérico. 
+                      relacionamento genérico.
                       Busca feita sem django-filter processada no get_queryset
                       -> processo no cadastro de autores para seleção e busca
                           dos possíveis autores
@@ -44,7 +43,7 @@ class AutorListView(ListAPIView):
 
     - q         - busca textual no nome do Autor ou em  fields_search
                   declarados no field SaplGenericRelation das GenericFks
-                      A busca textual acontece via django-filter com a 
+                      A busca textual acontece via django-filter com a
                       variável `tr` igual 1 ou 3. Em caso contrário,
                       o django-filter é desativado e a busca é feita
                       no model do ContentType associado ao tipo.
diff --git a/sapl/base/forms.py b/sapl/base/forms.py
index 08bf8963d..4fcfc4ef7 100644
--- a/sapl/base/forms.py
+++ b/sapl/base/forms.py
@@ -1,7 +1,7 @@
+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
-from crispy_forms.templatetags.crispy_forms_field import css_class
 from django import forms
 from django.conf import settings
 from django.contrib.auth import get_user_model
@@ -13,8 +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 ugettext_lazy as _, string_concat
-import django_filters
+from django.utils.translation import ugettext_lazy as _
+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,
@@ -23,12 +23,11 @@ from sapl.materia.models import MateriaLegislativa
 from sapl.sessao.models import SessaoPlenaria
 from sapl.settings import MAX_IMAGE_UPLOAD_SIZE
 from sapl.utils import (RANGE_ANOS, ImageThumbnailFileInput,
-                        RangeWidgetOverride, autor_label, autor_modal,
-                        SaplGenericRelation)
+                        RangeWidgetOverride, SaplGenericRelation, autor_label,
+                        autor_modal)
 
 from .models import AppConfig, CasaLegislativa
 
-
 ACTION_CREATE_USERS_AUTOR_CHOICE = [
     ('C', _('Criar novo Usuário')),
     ('A', _('Associar um usuário existente')),
@@ -181,7 +180,8 @@ class AutorForm(ModelForm):
 
         autor_select = Row(to_column(('tipo', 3)),
                            Div(to_column(('nome', 5)),
-                               to_column(('cargo', 4)), css_class="div_nome_cargo"),
+                               to_column(('cargo', 4)),
+                               css_class="div_nome_cargo"),
                            to_column((autor_related, 9)),
                            to_column((Div(
                                Field('autor_related'),
diff --git a/sapl/base/templatetags/menus.py b/sapl/base/templatetags/menus.py
index 3d208e86b..6e8b4f4a3 100644
--- a/sapl/base/templatetags/menus.py
+++ b/sapl/base/templatetags/menus.py
@@ -1,11 +1,10 @@
+import yaml
 from django import template
 from django.core.urlresolvers import reverse
 from django.utils.translation import ugettext_lazy as _
-import yaml
 
 from sapl.utils import sapl_logger
 
-
 register = template.Library()
 
 
diff --git a/sapl/base/urls.py b/sapl/base/urls.py
index 4fbda888b..c2a9fdc4a 100644
--- a/sapl/base/urls.py
+++ b/sapl/base/urls.py
@@ -3,7 +3,7 @@ from django.contrib.auth import views
 from django.contrib.auth.decorators import permission_required
 from django.views.generic.base import TemplateView
 
-from sapl.base.views import AutorCrud, TipoAutorCrud, ConfirmarEmailView
+from sapl.base.views import AutorCrud, ConfirmarEmailView, TipoAutorCrud
 
 from .apps import AppConfig
 from .forms import LoginForm
diff --git a/sapl/base/views.py b/sapl/base/views.py
index 3d43d672e..8f0b426aa 100644
--- a/sapl/base/views.py
+++ b/sapl/base/views.py
@@ -9,12 +9,12 @@ from django.core.urlresolvers import reverse
 from django.db.models import Count, Q
 from django.http import HttpResponseRedirect
 from django.utils.encoding import force_bytes
-from django.utils.http import urlsafe_base64_encode, urlsafe_base64_decode
+from django.utils.http import urlsafe_base64_decode, urlsafe_base64_encode
 from django.utils.translation import ugettext_lazy as _
 from django.views.generic.base import TemplateView
 from django_filters.views import FilterView
 
-from sapl.base.forms import AutorForm, TipoAutorForm, AutorFormForAdmin
+from sapl.base.forms import AutorForm, AutorFormForAdmin, TipoAutorForm
 from sapl.base.models import Autor, TipoAutor
 from sapl.crud.base import CrudAux
 from sapl.materia.models import MateriaLegislativa, TipoMateriaLegislativa
diff --git a/sapl/comissoes/views.py b/sapl/comissoes/views.py
index fc679d611..0f767cbea 100644
--- a/sapl/comissoes/views.py
+++ b/sapl/comissoes/views.py
@@ -3,7 +3,7 @@ from django.core.urlresolvers import reverse
 from django.db.models import F
 from django.views.generic import ListView
 
-from sapl.crud.base import Crud, CrudAux, MasterDetailCrud, RP_DETAIL, RP_LIST
+from sapl.crud.base import RP_DETAIL, RP_LIST, Crud, CrudAux, MasterDetailCrud
 from sapl.materia.models import MateriaLegislativa, Tramitacao
 
 from .models import (CargoComissao, Comissao, Composicao, Participacao,
diff --git a/sapl/compilacao/views.py b/sapl/compilacao/views.py
index ccafcb6c2..9b7f79d95 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
@@ -20,8 +20,8 @@ from django.shortcuts import get_object_or_404, redirect
 from django.utils.dateparse import parse_date
 from django.utils.decorators import method_decorator
 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,
@@ -49,7 +49,6 @@ from sapl.compilacao.utils import (DISPOSITIVO_SELECT_RELATED,
 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/crud/base.py b/sapl/crud/base.py
index 694898115..55366bcc5 100644
--- a/sapl/crud/base.py
+++ b/sapl/crud/base.py
@@ -14,8 +14,8 @@ from django.db.models.fields.related import ForeignKey
 from django.http.response import Http404
 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
@@ -25,7 +25,6 @@ from sapl.crispy_layout_mixin import CrispyLayoutFormMixin, get_field_display
 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 = \
@@ -1287,7 +1286,7 @@ class MasterDetailCrud(Crud):
             if hasattr(obj, 'parent_field'):
                 parent_field = obj.parent_field.split('__')
                 if not obj.is_m2m or len(parent_field) > 1:
-                    field = self.model._meta.get_field(parent_field[0])
+                    # field = self.model._meta.get_field(parent_field[0])
 
                     if isinstance(getattr(
                             self.object, parent_field[0]), models.Model):
diff --git a/sapl/materia/forms.py b/sapl/materia/forms.py
index 26f14a64b..2a7f5bb92 100644
--- a/sapl/materia/forms.py
+++ b/sapl/materia/forms.py
@@ -1,5 +1,6 @@
 from datetime import datetime
 
+import django_filters
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import HTML, Button, Column, Fieldset, Layout
 from django import forms
@@ -8,7 +9,6 @@ from django.db import models
 from django.db.models import Max
 from django.forms import ModelForm
 from django.utils.translation import ugettext_lazy as _
-import django_filters
 
 from sapl.base.models import Autor
 from sapl.comissoes.models import Comissao
@@ -20,10 +20,10 @@ from sapl.settings import MAX_DOC_UPLOAD_SIZE
 from sapl.utils import (RANGE_ANOS, RangeWidgetOverride, autor_label,
                         autor_modal)
 
-from .models import (AcompanhamentoMateria, Anexada, Autoria,
-                     DespachoInicial, DocumentoAcessorio, MateriaLegislativa,
-                     Numeracao, Proposicao, Relatoria, TipoMateriaLegislativa,
-                     Tramitacao, UnidadeTramitacao)
+from .models import (AcompanhamentoMateria, Anexada, Autoria, DespachoInicial,
+                     DocumentoAcessorio, MateriaLegislativa, Numeracao,
+                     Proposicao, Relatoria, TipoMateriaLegislativa, Tramitacao,
+                     UnidadeTramitacao)
 
 
 def ANO_CHOICES():
diff --git a/sapl/materia/models.py b/sapl/materia/models.py
index e326b7698..be92e9063 100644
--- a/sapl/materia/models.py
+++ b/sapl/materia/models.py
@@ -7,10 +7,8 @@ from sapl.base.models import Autor
 from sapl.comissoes.models import Comissao
 from sapl.parlamentares.models import Parlamentar
 from sapl.utils import (RANGE_ANOS, YES_NO_CHOICES,
-                        get_settings_auth_user_model,
                         restringe_tipos_de_arquivo_txt)
 
-
 EM_TRAMITACAO = [(1, 'Sim'),
                  (0, 'Não')]
 
diff --git a/sapl/materia/tests/test_materia.py b/sapl/materia/tests/test_materia.py
index ed6ae1ccd..db5dd7684 100644
--- a/sapl/materia/tests/test_materia.py
+++ b/sapl/materia/tests/test_materia.py
@@ -1,10 +1,10 @@
+import pytest
 from django.contrib.auth import get_user_model
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.core.urlresolvers import reverse
 from model_mommy import mommy
-import pytest
 
-from sapl.base.models import TipoAutor, Autor
+from sapl.base.models import Autor, TipoAutor
 from sapl.comissoes.models import Comissao, TipoComissao
 from sapl.materia.models import (Anexada, Autoria, DespachoInicial,
                                  DocumentoAcessorio, MateriaLegislativa,
diff --git a/sapl/materia/urls.py b/sapl/materia/urls.py
index 5400978c6..c78796569 100644
--- a/sapl/materia/urls.py
+++ b/sapl/materia/urls.py
@@ -3,9 +3,8 @@ from django.conf.urls import include, url
 from sapl.materia.views import (AcompanhamentoConfirmarView,
                                 AcompanhamentoExcluirView,
                                 AcompanhamentoMateriaView, AnexadaCrud,
-                                AutoriaCrud,
-                                ConfirmarProposicao, DespachoInicialCrud,
-                                DocumentoAcessorioCrud,
+                                AutoriaCrud, ConfirmarProposicao,
+                                DespachoInicialCrud, DocumentoAcessorioCrud,
                                 DocumentoAcessorioEmLoteView,
                                 LegislacaoCitadaCrud, MateriaLegislativaCrud,
                                 MateriaLegislativaPesquisaView, MateriaTaView,
diff --git a/sapl/materia/views.py b/sapl/materia/views.py
index 7cd83a2ea..a85bdeb5f 100644
--- a/sapl/materia/views.py
+++ b/sapl/materia/views.py
@@ -5,7 +5,6 @@ from string import ascii_letters, digits
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import HTML
 from django.contrib import messages
-from django.contrib.auth import get_user_model
 from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
 from django.core.mail import send_mail
@@ -15,7 +14,6 @@ from django.http import JsonResponse
 from django.http.response import HttpResponseRedirect
 from django.shortcuts import redirect
 from django.template import Context, loader
-from django.utils.http import urlsafe_base64_decode
 from django.utils.translation import ugettext_lazy as _
 from django.views.generic import CreateView, ListView, TemplateView, UpdateView
 from django.views.generic.base import RedirectView
@@ -33,10 +31,9 @@ from sapl.materia.forms import AnexadaForm, LegislacaoCitadaForm
 from sapl.norma.models import LegislacaoCitada
 from sapl.utils import (TURNO_TRAMITACAO_CHOICES, YES_NO_CHOICES, autor_label,
                         autor_modal, gerar_hash_arquivo, get_base_url,
+                        montar_row_autor, permission_required_for_app,
                         permissoes_autor, permissoes_materia,
-                        permissoes_protocoloadm, permission_required_for_app,
-                        montar_row_autor)
-
+                        permissoes_protocoloadm)
 
 from .forms import (AcessorioEmLoteFilterSet, AcompanhamentoMateriaForm,
                     ConfirmarProposicaoForm, DocumentoAcessorioForm,
diff --git a/sapl/parlamentares/views.py b/sapl/parlamentares/views.py
index d31e4557d..4e937bd54 100644
--- a/sapl/parlamentares/views.py
+++ b/sapl/parlamentares/views.py
@@ -12,9 +12,8 @@ from sapl.crud.base import (RP_CHANGE, RP_DETAIL, RP_LIST, Crud, CrudAux,
 from sapl.materia.models import Proposicao, Relatoria
 from sapl.parlamentares.apps import AppConfig
 
-from .forms import (FiliacaoForm, LegislaturaCreateForm,
-                    LegislaturaUpdateForm, ParlamentarCreateForm,
-                    ParlamentarForm)
+from .forms import (FiliacaoForm, LegislaturaCreateForm, LegislaturaUpdateForm,
+                    ParlamentarCreateForm, ParlamentarForm)
 from .models import (CargoMesa, Coligacao, ComposicaoColigacao, ComposicaoMesa,
                      Dependente, Filiacao, Frente, Legislatura, Mandato,
                      NivelInstrucao, Parlamentar, Partido, SessaoLegislativa,
diff --git a/sapl/protocoloadm/forms.py b/sapl/protocoloadm/forms.py
index 7eae4909d..549cdc498 100644
--- a/sapl/protocoloadm/forms.py
+++ b/sapl/protocoloadm/forms.py
@@ -1,5 +1,6 @@
 from datetime import datetime
 
+import django_filters
 from crispy_forms.bootstrap import InlineRadios
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import HTML, Button, Fieldset, Layout, Submit
@@ -8,7 +9,6 @@ from django.core.exceptions import ObjectDoesNotExist, ValidationError
 from django.db import models
 from django.forms import ModelForm
 from django.utils.translation import ugettext_lazy as _
-import django_filters
 
 from sapl.base.models import Autor
 from sapl.crispy_layout_mixin import form_actions, to_row
@@ -20,7 +20,6 @@ from .models import (DocumentoAcessorioAdministrativo, DocumentoAdministrativo,
                      Protocolo, TipoDocumentoAdministrativo,
                      TramitacaoAdministrativo)
 
-
 TIPOS_PROTOCOLO = [('0', 'Enviado'), ('1', 'Recebido'), ('', 'Ambos')]
 
 NATUREZA_PROCESSO = [('', 'Ambos'),
diff --git a/sapl/protocoloadm/models.py b/sapl/protocoloadm/models.py
index 5f713202b..4ec3393ed 100644
--- a/sapl/protocoloadm/models.py
+++ b/sapl/protocoloadm/models.py
@@ -5,8 +5,7 @@ from django.utils.translation import ugettext_lazy as _
 from model_utils import Choices
 
 from sapl.base.models import Autor
-from sapl.materia.models import (TipoMateriaLegislativa,
-                                 UnidadeTramitacao)
+from sapl.materia.models import TipoMateriaLegislativa, UnidadeTramitacao
 from sapl.utils import RANGE_ANOS, YES_NO_CHOICES
 
 
diff --git a/sapl/protocoloadm/views.py b/sapl/protocoloadm/views.py
index 30a9606fa..8a52c1e38 100644
--- a/sapl/protocoloadm/views.py
+++ b/sapl/protocoloadm/views.py
@@ -1,13 +1,11 @@
 from datetime import date, datetime
-import json
 
 from braces.views import FormValidMessageMixin
 from django.contrib import messages
 from django.contrib.auth.mixins import PermissionRequiredMixin
-from django.core.exceptions import ObjectDoesNotExist
 from django.core.urlresolvers import reverse
-from django.db.models import Max, Q
-from django.http import HttpResponse, HttpResponseRedirect
+from django.db.models import Max
+from django.http import HttpResponseRedirect
 from django.shortcuts import redirect
 from django.utils.translation import ugettext_lazy as _
 from django.views.generic import CreateView, DetailView, FormView, ListView
@@ -15,7 +13,7 @@ from django.views.generic.base import TemplateView
 from django_filters.views import FilterView
 
 from sapl.base.apps import AppConfig as AppsAppConfig
-from sapl.base.models import AppConfig, Autor
+from sapl.base.models import AppConfig
 from sapl.crud.base import Crud, CrudAux, MasterDetailCrud, make_pagination
 from sapl.materia.models import TipoMateriaLegislativa
 from sapl.utils import (create_barcode, get_client_ip, permissoes_adm,
@@ -26,12 +24,10 @@ from .forms import (AnularProcoloAdmForm, DocumentoAcessorioAdministrativoForm,
                     DocumentoAdministrativoForm, ProtocoloDocumentForm,
                     ProtocoloFilterSet, ProtocoloMateriaForm,
                     TramitacaoAdmEditForm, TramitacaoAdmForm)
-from .models import (DocumentoAcessorioAdministrativo,
-                     DocumentoAdministrativo, Protocolo,
-                     StatusTramitacaoAdministrativo,
+from .models import (DocumentoAcessorioAdministrativo, DocumentoAdministrativo,
+                     Protocolo, StatusTramitacaoAdministrativo,
                      TipoDocumentoAdministrativo, TramitacaoAdministrativo)
 
-
 TipoDocumentoAdministrativoCrud = CrudAux.build(
     TipoDocumentoAdministrativo, '')
 
@@ -634,4 +630,4 @@ def pesquisa_autores(request):
                                    sort_keys=True,
                                    ensure_ascii=False),
                         content_type="application/json; charset=utf-8")
-"""
\ No newline at end of file
+"""
diff --git a/sapl/relatorios/views.py b/sapl/relatorios/views.py
index 6c3184b42..82fd7edf7 100644
--- a/sapl/relatorios/views.py
+++ b/sapl/relatorios/views.py
@@ -4,7 +4,7 @@ from bs4 import BeautifulSoup
 from django.http import Http404, HttpResponse
 from django.utils.translation import ugettext_lazy as _
 
-from sapl.base.models import CasaLegislativa, Autor
+from sapl.base.models import Autor, CasaLegislativa
 from sapl.comissoes.models import Comissao
 from sapl.materia.models import (Autoria, MateriaLegislativa, Numeracao,
                                  Tramitacao, UnidadeTramitacao)
diff --git a/sapl/sessao/models.py b/sapl/sessao/models.py
index dc375fff7..cf74399b5 100644
--- a/sapl/sessao/models.py
+++ b/sapl/sessao/models.py
@@ -6,8 +6,8 @@ from sapl.base.models import Autor
 from sapl.materia.models import MateriaLegislativa
 from sapl.parlamentares.models import (CargoMesa, Legislatura, Parlamentar,
                                        Partido, SessaoLegislativa)
-from sapl.utils import YES_NO_CHOICES, restringe_tipos_de_arquivo_txt,\
-    SaplGenericRelation
+from sapl.utils import (YES_NO_CHOICES, SaplGenericRelation,
+                        restringe_tipos_de_arquivo_txt)
 
 
 class CargoBancada(models.Model):
diff --git a/sapl/sessao/views.py b/sapl/sessao/views.py
index 3f8fe93af..fbd044b51 100644
--- a/sapl/sessao/views.py
+++ b/sapl/sessao/views.py
@@ -45,7 +45,6 @@ from .models import (Bancada, Bloco, CargoBancada, CargoMesa,
                      SessaoPlenariaPresenca, TipoExpediente,
                      TipoResultadoVotacao, TipoSessaoPlenaria, VotoParlamentar)
 
-
 TipoSessaoCrud = CrudAux.build(TipoSessaoPlenaria, 'tipo_sessao_plenaria')
 TipoExpedienteCrud = CrudAux.build(TipoExpediente, 'tipo_expediente')
 CargoBancadaCrud = CrudAux.build(CargoBancada, '')
diff --git a/sapl/settings.py b/sapl/settings.py
index f3030d255..7f39005b4 100644
--- a/sapl/settings.py
+++ b/sapl/settings.py
@@ -23,7 +23,6 @@ from unipath import Path
 from .temp_suppress_crispy_form_warnings import \
     SUPRESS_CRISPY_FORM_WARNINGS_LOGGING
 
-
 BASE_DIR = Path(__file__).ancestor(1)
 PROJECT_DIR = Path(__file__).ancestor(2)
 
@@ -98,7 +97,7 @@ MIDDLEWARE_CLASSES = (
 REST_FRAMEWORK = {
     "DEFAULT_RENDERER_CLASSES": (
         "rest_framework.renderers.JSONRenderer",
-        #"rest_framework.renderers.BrowsableAPIRenderer",
+        # "rest_framework.renderers.BrowsableAPIRenderer",
     ),
     "DEFAULT_PARSER_CLASSES": (
         "rest_framework.parsers.JSONParser",
diff --git a/sapl/test_urls.py b/sapl/test_urls.py
index 02be7505c..51c6f5e2e 100644
--- a/sapl/test_urls.py
+++ b/sapl/test_urls.py
@@ -1,22 +1,19 @@
+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 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.materia.views import recuperar_materia
 from scripts.inicializa_grupos_autorizacoes import cria_grupos_permissoes
 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/utils.py b/sapl/utils.py
index 7029a508b..b4e6450fa 100644
--- a/sapl/utils.py
+++ b/sapl/utils.py
@@ -1,9 +1,10 @@
+import hashlib
+import logging
 from datetime import date
 from functools import wraps
 from unicodedata import normalize as unicodedata_normalize
-import hashlib
-import logging
 
+import magic
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import HTML, Button
 from django import forms
@@ -17,11 +18,10 @@ from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import PermissionDenied, ValidationError
 from django.utils.translation import ugettext_lazy as _
 from floppyforms import ClearableFileInput
+
 from sapl.crispy_layout_mixin import SaplFormLayout, form_actions, to_row
-import magic
 from sapl.settings import BASE_DIR
 
-
 sapl_logger = logging.getLogger(BASE_DIR.name)
 
 
@@ -121,8 +121,10 @@ class SaplGenericRelation(GenericRelation):
                 )
 
 
-    [ref_1]: https://docs.djangoproject.com/el/1.10/topics/db/queries/#field-lookups
-    [ref_2]: https://github.com/interlegis/sapl/blob/master/sapl/parlamentares/models.py
+    [ref_1]: https://docs.djangoproject.com/el/1.10/topics/db/queries/
+             #field-lookups
+    [ref_2]: https://github.com/interlegis/sapl/blob/master/sapl/
+             parlamentares/models.py
     """
 
     def __init__(self, to, fields_search=(), **kwargs):
@@ -136,7 +138,7 @@ class SaplGenericRelation(GenericRelation):
 
         for field in fields_search:
             # descomente para ver todas os campos que são elementos de busca
-            #print(kwargs['related_query_name'], field)
+            # print(kwargs['related_query_name'], field)
 
             assert isinstance(field, (tuple, list)), _(
                 'fields_search deve ser um array de tuplas ou listas.')
diff --git a/scripts/inicializa_grupos_autorizacoes.py b/scripts/inicializa_grupos_autorizacoes.py
index fe69914b1..38606b0a3 100644
--- a/scripts/inicializa_grupos_autorizacoes.py
+++ b/scripts/inicializa_grupos_autorizacoes.py
@@ -10,7 +10,6 @@ if True:
     from django.contrib.auth import get_user_model
     from django.contrib.auth.models import Group, Permission
     from django.contrib.contenttypes.models import ContentType
-    from sapl.base.models import Autor
 
 
 class InicializaGruposAutorizacoes():