diff --git a/create_admin.py b/create_admin.py
index 6b3d52709..6080fbd07 100644
--- a/create_admin.py
+++ b/create_admin.py
@@ -3,8 +3,6 @@ import sys
 
 import django
 
-from sapl import settings
-
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "sapl.settings")
 
 
@@ -17,12 +15,14 @@ def create_superuser():
     email = os.environ['ADMIN_EMAIL'] if 'ADMIN_EMAIL' in os.environ else ''
 
     if User.objects.filter(username=username).exists():
-        print("[SUPERUSER] User %s already exists. Exiting without change." % username)
+        print("[SUPERUSER] User %s already exists."
+              " Exiting without change." % username)
         sys.exit('ADMIN_USER_EXISTS')
     else:
         if not password:
             print(
-                "[SUPERUSER] Environment variable $ADMIN_PASSWORD for user %s was not set. Leaving..." % username)
+                "[SUPERUSER] Environment variable $ADMIN_PASSWORD"
+                " for user %s was not set. Leaving..." % username)
             sys.exit('MISSING_ADMIN_PASSWORD')
 
         print("[SUPERUSER] Creating superuser...")
diff --git a/genkey.py b/genkey.py
index 248a67e8f..207989e92 100644
--- a/genkey.py
+++ b/genkey.py
@@ -2,7 +2,9 @@ import random
 
 
 def generate_secret():
-    return ''.join([random.SystemRandom().choice('abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*(-_=+)') for i in range(50)])
+    return (''.join([random.SystemRandom().choice(
+        'abcdefghijklmnopqrst'
+        'uvwxyz0123456789!@#$%^&*(-_=+)') for i in range(50)]))
 
 if __name__ == '__main__':
     print(generate_secret())
diff --git a/sapl/api/forms.py b/sapl/api/forms.py
index f8ad6fee7..e9900e0c0 100644
--- a/sapl/api/forms.py
+++ b/sapl/api/forms.py
@@ -1,4 +1,4 @@
-from django.db.models import F, Q
+from django.db.models import Q
 from django.forms.fields import CharField, MultiValueField
 from django.forms.widgets import MultiWidget, TextInput
 from django.utils import timezone
diff --git a/sapl/api/views.py b/sapl/api/views.py
index 1eccaf5ef..2909d5a0a 100644
--- a/sapl/api/views.py
+++ b/sapl/api/views.py
@@ -7,7 +7,7 @@ from rest_framework.generics import ListAPIView
 from rest_framework.mixins import ListModelMixin, RetrieveModelMixin
 from rest_framework.permissions import (AllowAny, IsAuthenticated,
                                         IsAuthenticatedOrReadOnly)
-from rest_framework.viewsets import GenericViewSet, ModelViewSet
+from rest_framework.viewsets import GenericViewSet
 
 from sapl.api.forms import (AutorChoiceFilterSet, AutoresPossiveisFilterSet,
                             AutorSearchForFieldFilterSet)
diff --git a/sapl/base/templatetags/common_tags.py b/sapl/base/templatetags/common_tags.py
index 928aeab5d..9f306d833 100644
--- a/sapl/base/templatetags/common_tags.py
+++ b/sapl/base/templatetags/common_tags.py
@@ -4,6 +4,7 @@ from django import template
 from sapl.base.models import AppConfig
 from sapl.materia.models import DocumentoAcessorio, MateriaLegislativa
 from sapl.norma.models import NormaJuridica
+from sapl.parlamentares import Filiacao
 from sapl.utils import filiacao_data
 
 register = template.Library()
diff --git a/sapl/base/tests/teststub_urls.py b/sapl/base/tests/teststub_urls.py
index a105489c7..e81cbdb59 100644
--- a/sapl/base/tests/teststub_urls.py
+++ b/sapl/base/tests/teststub_urls.py
@@ -3,8 +3,6 @@ from django.views.generic.base import TemplateView
 
 from sapl.urls import urlpatterns as original_patterns
 
-urlpatterns = original_patterns + patterns('', url(r'^zzzz$',
-                                                   TemplateView.as_view(
-                                                       template_name='index.html'),
-                                                   name='zzzz')
-                                           )
+urlpatterns = original_patterns + patterns
+('', url(r'^zzzz$', TemplateView.as_view(
+    template_name='index.html'), name='zzzz'))
diff --git a/sapl/base/views.py b/sapl/base/views.py
index f8c0832cf..b2ce6ad50 100644
--- a/sapl/base/views.py
+++ b/sapl/base/views.py
@@ -7,7 +7,7 @@ from django.contrib.auth.tokens import default_token_generator
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.mail import send_mail
 from django.core.urlresolvers import reverse
-from django.db.models import Count, Q
+from django.db.models import Count
 from django.http import HttpResponseRedirect
 from django.utils.encoding import force_bytes
 from django.utils.http import urlsafe_base64_decode, urlsafe_base64_encode
@@ -20,7 +20,6 @@ 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
-from sapl.parlamentares.models import Parlamentar
 from sapl.sessao.models import (PresencaOrdemDia, SessaoPlenaria,
                                 SessaoPlenariaPresenca)
 from sapl.utils import parlamentares_ativos, sapl_logger
diff --git a/sapl/legacy/migracao_documentos.py b/sapl/legacy/migracao_documentos.py
index ea29a9072..2e514942b 100644
--- a/sapl/legacy/migracao_documentos.py
+++ b/sapl/legacy/migracao_documentos.py
@@ -3,7 +3,6 @@ import os
 import re
 
 import magic
-from django.db.models.signals import post_delete, post_save
 
 from sapl.base.models import CasaLegislativa
 from sapl.materia.models import (DocumentoAcessorio, MateriaLegislativa,
@@ -86,7 +85,8 @@ DOCS = {
     DocumentoAcessorioAdministrativo: [(
         'arquivo',
         'administrativo/{}',
-        'private/documentoacessorioadministrativo/{0}/{0}_acessorio_administrativo{1}')
+        'private/documentoacessorioadministrativo/{0}/'
+        '{0}_acessorio_administrativo{1}')
     ],
 }
 
diff --git a/sapl/legacy/migration.py b/sapl/legacy/migration.py
index 791e6a7b5..7b31f00f9 100644
--- a/sapl/legacy/migration.py
+++ b/sapl/legacy/migration.py
@@ -14,15 +14,12 @@ from django.core.exceptions import ObjectDoesNotExist
 from django.db import OperationalError, ProgrammingError, connections, models
 from django.db.models import CharField, Count, Max, ProtectedError, TextField
 from django.db.models.base import ModelBase
-from django.db.models.signals import post_delete, post_save
 from model_mommy import mommy
 from model_mommy.mommy import foreign_key_required, make
 
 from sapl.base.models import Argumento, Autor, Constraint, ProblemaMigracao
 from sapl.comissoes.models import Comissao, Composicao, Participacao
-from sapl.legacy.models import Protocolo as ProtocoloLegado
-from sapl.materia.models import (AcompanhamentoMateria, DocumentoAcessorio,
-                                 MateriaLegislativa, Proposicao,
+from sapl.materia.models import (AcompanhamentoMateria, Proposicao,
                                  StatusTramitacao, TipoDocumento,
                                  TipoMateriaLegislativa, TipoProposicao,
                                  Tramitacao)
diff --git a/sapl/legacy/scripts/street_sweeper.py b/sapl/legacy/scripts/street_sweeper.py
index a33710b1a..d01fd3b52 100644
--- a/sapl/legacy/scripts/street_sweeper.py
+++ b/sapl/legacy/scripts/street_sweeper.py
@@ -12,7 +12,8 @@ DB = ''
 
 SELECT_EXCLUIDOS = "SELECT %s FROM %s WHERE ind_excluido = 1 ORDER BY %s"
 
-REGISTROS_INCONSISTENTES = "DELETE FROM %s WHERE %s in (%s) AND ind_excluido = 0 "
+REGISTROS_INCONSISTENTES = "DELETE FROM %s WHERE %s "
+"in (%s) AND ind_excluido = 0 "
 
 EXCLUI_REGISTRO = "DELETE FROM %s WHERE ind_excluido=1"
 
diff --git a/sapl/materia/forms.py b/sapl/materia/forms.py
index 21d1845d8..f8aa30ea5 100644
--- a/sapl/materia/forms.py
+++ b/sapl/materia/forms.py
@@ -493,9 +493,10 @@ class MateriaLegislativaFilterSet(django_filters.FilterSet):
 
     autoria__autor = django_filters.CharFilter(widget=forms.HiddenInput())
 
-    autoria__primeiro_autor = django_filters.BooleanFilter(required=False,
-                                                           label='Primeiro Autor',
-                                                           widget=forms.HiddenInput())
+    autoria__primeiro_autor = django_filters.BooleanFilter(
+        required=False,
+        label='Primeiro Autor',
+        widget=forms.HiddenInput())
 
     ementa = django_filters.CharFilter(lookup_expr='icontains')
 
diff --git a/sapl/materia/urls.py b/sapl/materia/urls.py
index 2cbb3a62b..e91505c24 100644
--- a/sapl/materia/urls.py
+++ b/sapl/materia/urls.py
@@ -23,7 +23,6 @@ from sapl.materia.views import (AcompanhamentoConfirmarView,
                                 TramitacaoEmLoteView, UnidadeTramitacaoCrud,
                                 proposicao_texto, recuperar_materia)
 
-from . import receivers
 from .apps import AppConfig
 
 app_name = AppConfig.name
diff --git a/sapl/materia/views.py b/sapl/materia/views.py
index c7c1e2618..9182a220f 100644
--- a/sapl/materia/views.py
+++ b/sapl/materia/views.py
@@ -4,14 +4,11 @@ from string import ascii_letters, digits
 
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import HTML
-from django import forms
 from django.contrib import messages
 from django.contrib.auth.decorators import permission_required
 from django.contrib.auth.mixins import PermissionRequiredMixin
-from django.contrib.contenttypes.models import ContentType
-from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
+from django.core.exceptions import ObjectDoesNotExist
 from django.core.urlresolvers import reverse
-from django.db.models import Q
 from django.http import HttpResponse, JsonResponse
 from django.http.response import Http404, HttpResponseRedirect
 from django.shortcuts import get_object_or_404, redirect
@@ -1735,9 +1732,8 @@ class TramitacaoEmLoteView(PrimeiraTramitacaoEmLoteView):
 
         if ('tramitacao__status' in qr and
                 'tramitacao__unidade_tramitacao_destino' in qr and
-            qr['tramitacao__status'] and
-            qr['tramitacao__unidade_tramitacao_destino']
-            ):
+                qr['tramitacao__status'] and
+                qr['tramitacao__unidade_tramitacao_destino']):
             lista = filtra_tramitacao_destino_and_status(
                 qr['tramitacao__status'],
                 qr['tramitacao__unidade_tramitacao_destino'])
diff --git a/sapl/norma/apps.py b/sapl/norma/apps.py
index c4d55ade0..effd4f271 100644
--- a/sapl/norma/apps.py
+++ b/sapl/norma/apps.py
@@ -6,6 +6,3 @@ class AppConfig(apps.AppConfig):
     name = 'sapl.norma'
     label = 'norma'
     verbose_name = _('Norma Jurídica')
-
-    def ready(self):
-        from . import signals
diff --git a/sapl/norma/signals.py b/sapl/norma/signals.py
index 4a5472715..e69de29bb 100644
--- a/sapl/norma/signals.py
+++ b/sapl/norma/signals.py
@@ -1,3 +0,0 @@
-from django.db.models.signals import post_delete, post_save
-
-from .models import NormaJuridica
diff --git a/sapl/painel/views.py b/sapl/painel/views.py
index 13ee7883b..3183c61db 100644
--- a/sapl/painel/views.py
+++ b/sapl/painel/views.py
@@ -1,8 +1,8 @@
-from datetime import date
+
 
 from django.contrib import messages
 from django.contrib.auth.decorators import user_passes_test
-from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
+from django.core.exceptions import ObjectDoesNotExist
 from django.core.urlresolvers import reverse
 from django.db.models import Q
 from django.http import HttpResponse, JsonResponse
@@ -12,7 +12,6 @@ from django.utils.translation import ugettext_lazy as _
 
 from sapl.crud.base import Crud
 from sapl.painel.apps import AppConfig
-from sapl.painel.models import Painel
 from sapl.parlamentares.models import Filiacao, Votante
 from sapl.sessao.models import (ExpedienteMateria, OrdemDia, PresencaOrdemDia,
                                 RegistroVotacao, SessaoPlenaria,
diff --git a/sapl/protocoloadm/views.py b/sapl/protocoloadm/views.py
index 4e7a946c6..fe2390a8c 100644
--- a/sapl/protocoloadm/views.py
+++ b/sapl/protocoloadm/views.py
@@ -7,11 +7,10 @@ from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.urlresolvers import reverse
 from django.db.models import Max, Q
-from django.http import (Http404, HttpResponse, HttpResponseRedirect,
-                         JsonResponse)
+from django.http import Http404, HttpResponse, JsonResponse
 from django.shortcuts import redirect
 from django.utils.translation import ugettext_lazy as _
-from django.views.generic import CreateView, DetailView, FormView, ListView
+from django.views.generic import CreateView, DetailView, ListView
 from django.views.generic.base import TemplateView
 from django_filters.views import FilterView
 
@@ -20,7 +19,7 @@ from sapl.base.models import Autor
 from sapl.comissoes.models import Comissao
 from sapl.crud.base import Crud, CrudAux, MasterDetailCrud, make_pagination
 from sapl.materia.models import MateriaLegislativa, TipoMateriaLegislativa
-from sapl.parlamentares.models import Parlamentar
+from sapl.parlamentares.models import Legislatura, Parlamentar
 from sapl.protocoloadm.models import Protocolo
 from sapl.utils import create_barcode, get_client_ip
 
diff --git a/sapl/relatorios/views.py b/sapl/relatorios/views.py
index 28e012817..b40372d3f 100644
--- a/sapl/relatorios/views.py
+++ b/sapl/relatorios/views.py
@@ -15,9 +15,8 @@ from sapl.protocoloadm.models import (DocumentoAdministrativo, Protocolo,
                                       TramitacaoAdministrativo)
 from sapl.sessao.models import (ExpedienteMateria, ExpedienteSessao,
                                 IntegranteMesa, Orador, OradorExpediente,
-                                OrdemDia, PresencaOrdemDia, RegistroVotacao,
-                                SessaoPlenaria, SessaoPlenariaPresenca,
-                                TipoExpediente)
+                                OrdemDia, PresencaOrdemDia, SessaoPlenaria,
+                                SessaoPlenariaPresenca)
 from sapl.settings import STATIC_ROOT
 from sapl.utils import UF, filiacao_data
 
diff --git a/sapl/sessao/forms.py b/sapl/sessao/forms.py
index a1f65e960..150922f18 100644
--- a/sapl/sessao/forms.py
+++ b/sapl/sessao/forms.py
@@ -79,7 +79,7 @@ class SessaoPlenariaForm(ModelForm):
 
         if qtd_sessoes > 0:
             if instance.pk:  # update
-                if not instance.pk in sessoes or qtd_sessoes > 1:
+                if instance.pk not in sessoes or qtd_sessoes > 1:
                     raise error
             else:  # create
                 raise error
diff --git a/sapl/sessao/views.py b/sapl/sessao/views.py
index 3e47a6da4..e29a9ee5e 100644
--- a/sapl/sessao/views.py
+++ b/sapl/sessao/views.py
@@ -173,7 +173,8 @@ class MateriaOrdemDiaCrud(MasterDetailCrud):
             self.initial['data_ordem'] = SessaoPlenaria.objects.get(
                 pk=self.kwargs['pk']).data_inicio.strftime('%d/%m/%Y')
             max_numero_ordem = OrdemDia.objects.filter(
-                sessao_plenaria=self.kwargs['pk']).aggregate(Max('numero_ordem'))['numero_ordem__max']
+                sessao_plenaria=(self.kwargs['pk']).
+                aggregate(Max('numero_ordem'))['numero_ordem__max'])
             self.initial['numero_ordem'] = (
                 max_numero_ordem if max_numero_ordem else 0) + 1
             return self.initial
@@ -424,7 +425,8 @@ class ExpedienteMateriaCrud(MasterDetailCrud):
             self.initial['data_ordem'] = SessaoPlenaria.objects.get(
                 pk=self.kwargs['pk']).data_inicio.strftime('%d/%m/%Y')
             max_numero_ordem = ExpedienteMateria.objects.filter(
-                sessao_plenaria=self.kwargs['pk']).aggregate(Max('numero_ordem'))['numero_ordem__max']
+                sessao_plenaria=(self.kwargs['pk']).
+                aggregate(Max('numero_ordem'))['numero_ordem__max'])
             self.initial['numero_ordem'] = (
                 max_numero_ordem if max_numero_ordem else 0) + 1
             return self.initial
@@ -1257,7 +1259,8 @@ class ResumoView(DetailView):
         # =====================================================================
         # Oradores nas Explicações Pessoais
         oradores_explicacoes = []
-        for orador in Orador.objects.filter(sessao_plenaria_id=self.object.id).order_by('numero_ordem'):
+        for orador in Orador.objects.filter(
+                sessao_plenaria_id=self.object.id).order_by('numero_ordem'):
             for parlamentar in Parlamentar.objects.filter(
                     id=orador.parlamentar.id):
                 partido_sigla = Filiacao.objects.filter(
@@ -2171,7 +2174,8 @@ class VotacaoExpedienteEditView(SessaoPermissionMixin):
         expediente_id = kwargs['oid']
 
         if(int(request.POST['anular_votacao']) == 1):
-            for r in RegistroVotacao.objects.filter(expediente_id=expediente_id):
+            for r in RegistroVotacao.objects.filter(
+                    expediente_id=expediente_id):
                 r.delete()
 
             expediente = ExpedienteMateria.objects.get(
diff --git a/sapl/test_urls.py b/sapl/test_urls.py
index 8b5207276..9daa58fab 100644
--- a/sapl/test_urls.py
+++ b/sapl/test_urls.py
@@ -174,24 +174,24 @@ apps_url_patterns_prefixs_and_users = {
         ]},
     'redireciona_urls': {
         'prefixs': [
-            '/default_index_html',
-            '/consultas/parlamentar/parlamentar_',
-            '/consultas/comissao/comissao_',
-            '/consultas/pauta_sessao/pauta_sessao_',
-            '/consultas/sessao_plenaria/',
-            '/relatorios_administrativos/relatorios_administrativos_index_html',
-            '/tramitacaoMaterias/tramitacaoMaterias',
-            '/tramitacaoMaterias/materia_mostrar_proc',
-            '/generico/materia_pesquisar_',
-            '/consultas/mesa_diretora/mesa_diretora_index_html',
-            '/consultas/mesa_diretora/parlamentar/parlamentar_',
-            '/generico/norma_juridica_pesquisar_',
-            '/consultas/norma_juridica/norma_juridica_mostrar_proc',
-            '/historicoTramitacoes/historicoTramitacoes',
-            '/atasSessao',
-            '/presencaSessao',
-            '/resumoPropositurasAutor',
-            '/propositurasAnoAutorTipo',
+           '/default_index_html',
+           '/consultas/parlamentar/parlamentar_',
+           '/consultas/comissao/comissao_',
+           '/consultas/pauta_sessao/pauta_sessao_',
+           '/consultas/sessao_plenaria/',
+           '/relatorios_administrativos/relatorios_administrativos_index_html',
+           '/tramitacaoMaterias/tramitacaoMaterias',
+           '/tramitacaoMaterias/materia_mostrar_proc',
+           '/generico/materia_pesquisar_',
+           '/consultas/mesa_diretora/mesa_diretora_index_html',
+           '/consultas/mesa_diretora/parlamentar/parlamentar_',
+           '/generico/norma_juridica_pesquisar_',
+           '/consultas/norma_juridica/norma_juridica_mostrar_proc',
+           '/historicoTramitacoes/historicoTramitacoes',
+           '/atasSessao',
+           '/presencaSessao',
+           '/resumoPropositurasAutor',
+           '/propositurasAnoAutorTipo',
         ]},
     'lexml': {
         'prefixs': [
diff --git a/sapl/urls.py b/sapl/urls.py
index 91d3adeb6..38667b4e7 100644
--- a/sapl/urls.py
+++ b/sapl/urls.py
@@ -35,7 +35,8 @@ import sapl.relatorios.urls
 import sapl.sessao.urls
 
 urlpatterns = [
-    url(r'^$', TemplateView.as_view(template_name='index.html'), name='sapl_index'),
+    url(r'^$', TemplateView.as_view(template_name='index.html'),
+        name='sapl_index'),
     url(r'^message$', TemplateView.as_view(template_name='base.html')),
     url(r'^admin/', include(admin.site.urls)),
 
diff --git a/sapl/utils.py b/sapl/utils.py
index 90581bd99..7c5e1697e 100644
--- a/sapl/utils.py
+++ b/sapl/utils.py
@@ -4,8 +4,6 @@ import os
 import re
 from datetime import date
 from functools import wraps
-from subprocess import PIPE, call
-from threading import Thread
 from unicodedata import normalize as unicodedata_normalize
 
 import django_filters
@@ -27,7 +25,7 @@ from floppyforms import ClearableFileInput
 from reversion.admin import VersionAdmin
 
 from sapl.crispy_layout_mixin import SaplFormLayout, form_actions, to_row
-from sapl.settings import BASE_DIR, PROJECT_DIR
+from sapl.settings import BASE_DIR
 
 sapl_logger = logging.getLogger(BASE_DIR.name)
 
@@ -541,10 +539,12 @@ def texto_upload_path(instance, filename, subpath='', pk_first=False):
     if isinstance(instance, (DocumentoAdministrativo, Proposicao)):
         prefix = 'private'
 
-    str_path = './sapl/%(prefix)s/%(model_name)s/%(subpath)s/%(pk)s/%(filename)s'
+    str_path = ('./sapl/%(prefix)s/%(model_name)s/'
+                '%(subpath)s/%(pk)s/%(filename)s')
 
     if pk_first:
-        str_path = './sapl/%(prefix)s/%(model_name)s/%(pk)s/%(subpath)s/%(filename)s'
+        str_path = ('./sapl/%(prefix)s/%(model_name)s/'
+                    '%(pk)s/%(subpath)s/%(filename)s')
 
     path = str_path %\
         {