PEP8 style cleanups

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/acls/api_views.py

@@ -4,7 +4,7 @@ from rest_framework import status
 from rest_framework.decorators import action
 from rest_framework.response import Response
 
-from mayan.apps.common.mixins import ContentTypeViewMixin, ExternalObjectMixin
+from mayan.apps.common.mixins import ContentTypeViewMixin
 from mayan.apps.permissions.serializers import (
     PermissionSerializer, RolePermissionAddRemoveSerializer
 )

mayan/apps/django_gpg/urls.py

@@ -45,7 +45,6 @@ urlpatterns = [
     )
 ]
 
-
 api_router_entries = (
     {'prefix': r'keys', 'viewset': KeyAPIViewSet, 'basename': 'key'},
 )

mayan/apps/sources/apps.py

@@ -6,7 +6,7 @@ from kombu import Exchange, Queue
 
 from mayan.apps.common import (
     MayanAppConfig, MissingItem, menu_list_facet, menu_object, menu_secondary,
-    menu_setup, menu_secondary
+    menu_setup
 )
 from mayan.apps.common.signals import post_initial_setup, post_upgrade
 from mayan.apps.common.widgets import TwoStateWidget

mayan/apps/sources/views.py

@@ -13,7 +13,6 @@ from django.utils.encoding import force_text
 from django.utils.translation import ugettext_lazy as _
 
 from mayan.apps.acls.models import AccessControlList
-from mayan.apps.checkouts.models import NewVersionBlock
 from mayan.apps.common import menu_facet
 from mayan.apps.common.mixins import ExternalObjectMixin, ListModeMixin
 from mayan.apps.common.models import SharedUploadedFile

mayan/apps/tags/api_views.py

@@ -1,16 +1,10 @@
 from __future__ import absolute_import, unicode_literals
 
-from drf_yasg.utils import swagger_auto_schema
-
-from rest_framework import generics, serializers, status, routers, viewsets
+from rest_framework import status
 from rest_framework.decorators import action
-from rest_framework.exceptions import ValidationError
 from rest_framework.response import Response
 
-from mayan.apps.common.mixins import ExternalObjectMixin
-from mayan.apps.documents.api_views import DocumentViewSet
 from mayan.apps.documents.models import Document
-from mayan.apps.documents.permissions import permission_document_view
 from mayan.apps.documents.serializers import DocumentSerializer
 from mayan.apps.rest_api.viewsets import (
     MayanAPIGenericViewSet, MayanAPIModelViewSet
@@ -28,7 +22,7 @@ from .serializers import (
 
 
 class TagAPIViewSet(MayanAPIModelViewSet):
-    lookup_url_kwarg='tag_id'
+    lookup_url_kwarg = 'tag_id'
     object_permission_map = {
         'destroy': permission_tag_delete,
         'document_attach': permission_tag_attach,
@@ -93,9 +87,8 @@ class TagAPIViewSet(MayanAPIModelViewSet):
         )
 
 
-
 class DocumentTagAPIViewSet(MayanAPIGenericViewSet):
-    lookup_url_kwarg='document_id'
+    lookup_url_kwarg = 'document_id'
     object_permission_map = {
         'tag_attach': permission_tag_attach,
         'tag_list': permission_tag_view,

mayan/apps/tags/forms.py

@@ -1,15 +1,9 @@
 from __future__ import absolute_import, unicode_literals
 
-from django import forms
 from django.utils.translation import ugettext_lazy as _
 
-from mayan.apps.acls.models import AccessControlList
 from mayan.apps.common.forms import FilteredSelectionForm
 
-from .models import Tag
-from .permissions import permission_tag_view
-from .widgets import TagFormWidget
-
 
 class TagMultipleSelectionForm(FilteredSelectionForm):
     class Media:

mayan/apps/tags/methods.py

@@ -5,7 +5,6 @@ from django.db import transaction
 from django.utils.translation import ugettext_lazy as _
 
 from .events import event_tag_attach, event_tag_remove
-from .permissions import permission_tag_view
 
 
 def method_document_tags_attach(self, queryset, _user=None):

mayan/apps/tags/serializers.py

@@ -1,15 +1,10 @@
 from __future__ import absolute_import, unicode_literals
 
-from django.core.exceptions import ImproperlyConfigured
 from django.utils.translation import ugettext_lazy as _
 
 from rest_framework import serializers
-from rest_framework.generics import get_object_or_404
-from rest_framework.reverse import reverse
 
-from mayan.apps.acls.models import AccessControlList
 from mayan.apps.documents.models import Document
-from mayan.apps.documents.serializers import DocumentSerializer
 from mayan.apps.rest_api.mixins import ExternalObjectListSerializerMixin
 
 from .models import Tag
@@ -64,7 +59,7 @@ class TagSerializer(serializers.HyperlinkedModelSerializer):
         }
         fields = (
             'color', 'document_attach_url', 'document_list_url',
-            'document_remove_url','label', 'id', 'url'
+            'document_remove_url', 'label', 'id', 'url'
         )
         model = Tag
 

mayan/apps/tags/tests/test_events.py

@@ -10,6 +10,7 @@ from ..permissions import permission_tag_create, permission_tag_edit
 
 from .mixins import TagTestMixin
 
+
 #TODO: Add tests for event_tag_remove and event_tag_attach
 class TagEventsTestCase(TagTestMixin, GenericDocumentViewTestCase):
     def setUp(self):

mayan/apps/tags/tests/test_indexing.py

@@ -5,8 +5,6 @@ from mayan.apps.documents.tests import DocumentTestMixin
 from mayan.apps.document_indexing.models import Index, IndexInstanceNode
 from mayan.apps.document_indexing.tests.literals import TEST_INDEX_LABEL
 
-from ..models import Tag
-
 from .literals import (
     TEST_TAG_INDEX_HAS_TAG, TEST_TAG_INDEX_NO_TAG, TEST_TAG_INDEX_NODE_TEMPLATE
 )

mayan/apps/tags/tests/test_wizard_steps.py

@@ -10,9 +10,7 @@ from mayan.apps.sources.tests.literals import (
     TEST_SOURCE_LABEL, TEST_SOURCE_UNCOMPRESS_N
 )
 
-from ..models import Tag
 
-from .literals import TEST_TAG_COLOR, TEST_TAG_LABEL
 from .mixins import TagTestMixin
 
 

mayan/apps/tags/views.py

@@ -3,7 +3,7 @@ from __future__ import absolute_import, unicode_literals
 import logging
 
 from django.contrib import messages
-from django.shortcuts import get_object_or_404, reverse
+from django.shortcuts import reverse
 from django.template import RequestContext
 from django.urls import reverse_lazy
 from django.utils.translation import ugettext_lazy as _, ungettext
@@ -16,7 +16,6 @@ from mayan.apps.common.generics import (
 from mayan.apps.common.mixins import ExternalObjectMixin
 from mayan.apps.documents.models import Document
 from mayan.apps.documents.views import DocumentListView
-from mayan.apps.documents.permissions import permission_document_view
 
 from .forms import TagMultipleSelectionForm
 from .icons import (