diff --git a/src/drf_yasg/inspectors/__init__.py b/src/drf_yasg/inspectors/__init__.py
index 5af88f8..74e4d85 100644
--- a/src/drf_yasg/inspectors/__init__.py
+++ b/src/drf_yasg/inspectors/__init__.py
@@ -3,9 +3,9 @@ from .base import (
     BaseInspector, FieldInspector, FilterInspector, NotHandled, PaginatorInspector, SerializerInspector, ViewInspector
 )
 from .field import (
-    CamelCaseJSONFilter, ChoiceFieldInspector, DictFieldInspector, FileFieldInspector, InlineSerializerInspector,
-    ReferencingSerializerInspector, RelatedFieldInspector, SimpleFieldInspector, StringDefaultFieldInspector,
-    HiddenFieldInspector,
+    CamelCaseJSONFilter, ChoiceFieldInspector, DictFieldInspector, FileFieldInspector, HiddenFieldInspector,
+    InlineSerializerInspector, ReferencingSerializerInspector, RelatedFieldInspector, SimpleFieldInspector,
+    StringDefaultFieldInspector
 )
 from .query import CoreAPICompatInspector, DjangoRestResponsePagination
 from .view import SwaggerAutoSchema
diff --git a/src/drf_yasg/views.py b/src/drf_yasg/views.py
index 1a213e5..1330374 100644
--- a/src/drf_yasg/views.py
+++ b/src/drf_yasg/views.py
@@ -12,9 +12,7 @@ from rest_framework.views import APIView
 
 from .app_settings import swagger_settings
 from .generators import OpenAPISchemaGenerator
-from .renderers import (
-    OpenAPIRenderer, ReDocRenderer, SwaggerJSONRenderer, SwaggerUIRenderer, SwaggerYAMLRenderer
-)
+from .renderers import OpenAPIRenderer, ReDocRenderer, SwaggerJSONRenderer, SwaggerUIRenderer, SwaggerYAMLRenderer
 
 SPEC_RENDERERS = (SwaggerYAMLRenderer, SwaggerJSONRenderer, OpenAPIRenderer)
 UI_RENDERERS = {