Update swagger-ui to 3.14.1

Add settings key for ``showCommonExtensions``

src/drf_yasg/app_settings.py

@@ -45,6 +45,7 @@ SWAGGER_DEFAULTS = {
     'SHOW_EXTENSIONS': True,
     'DEFAULT_MODEL_RENDERING': 'model',
     'DEFAULT_MODEL_DEPTH': 3,
+    'SHOW_COMMON_EXTENSIONS': True,
     'OAUTH2_REDIRECT_URL': None,
     'OAUTH2_CONFIG': {},
     'SUPPORTED_SUBMIT_METHODS': [

src/drf_yasg/generators.py

@@ -401,7 +401,6 @@ class OpenAPISchemaGenerator(object):
         """
         parameters = []
         queryset = getattr(view_cls, 'queryset', None)
-        model = getattr(getattr(view_cls, 'queryset', None), 'model', None)
 
         for variable in sorted(uritemplate.variables(path)):
             model, model_field = get_queryset_field(queryset, variable)

src/drf_yasg/renderers.py

@@ -93,6 +93,7 @@ class _UIRenderer(BaseRenderer):
             'defaultModelRendering': swagger_settings.DEFAULT_MODEL_RENDERING,
             'defaultModelExpandDepth': swagger_settings.DEFAULT_MODEL_DEPTH,
             'defaultModelsExpandDepth': swagger_settings.DEFAULT_MODEL_DEPTH,
+            'showCommonExtensions': swagger_settings.SHOW_COMMON_EXTENSIONS,
             'oauth2RedirectUrl': swagger_settings.OAUTH2_REDIRECT_URL,
             'supportedSubmitMethods': swagger_settings.SUPPORTED_SUBMIT_METHODS,
         }