PEP8 cleanup, unused imports, missing imports, style cleanups

mayan/apps/documents/api_views.py

@@ -4,18 +4,17 @@ from django.core.exceptions import PermissionDenied
 from django.shortcuts import get_object_or_404
 
 from converter.exceptions import UnkownConvertError, UnknownFileFormat
-from converter.literals import (DEFAULT_FILE_FORMAT_MIMETYPE, DEFAULT_PAGE_NUMBER,
-                                DEFAULT_ROTATION, DEFAULT_ZOOM_LEVEL)
+from converter.literals import (DEFAULT_PAGE_NUMBER, DEFAULT_ROTATION,
+                                DEFAULT_ZOOM_LEVEL)
 from permissions.models import Permission
 from rest_framework import generics
 from rest_framework.response import Response
 
+from acls.models import AccessEntry
 from rest_api.filters import MayanObjectPermissionsFilter
 from rest_api.permissions import MayanPermission
 
-from .conf.settings import (DISPLAY_SIZE, PREVIEW_SIZE, RECENT_COUNT,
-                            ROTATION_STEP, ZOOM_PERCENT_STEP, ZOOM_MAX_LEVEL,
-                            ZOOM_MIN_LEVEL)
+from .conf.settings import DISPLAY_SIZE, ZOOM_MAX_LEVEL, ZOOM_MIN_LEVEL
 from .permissions import PERMISSION_DOCUMENT_VIEW
 from .models import Document, DocumentPage, DocumentVersion
 from .serializers import (DocumentImageSerializer, DocumentPageSerializer,
@@ -113,9 +112,10 @@ class APIDocumentImageView(generics.GenericAPIView):
         rotation = int(request.GET.get('rotation', DEFAULT_ROTATION)) % 360
 
         try:
-            return Response({'status': 'success',
+            return Response({
+                'status': 'success',
                 'data': document.get_image(size=size, page=page, zoom=zoom, rotation=rotation, as_base64=True, version=version)
-                })
+            })
         except UnknownFileFormat as exception:
             return Response({'status': 'error', 'detail': 'unknown_file_format', 'message': unicode(exception)})
         except UnkownConvertError as exception: