Fixes for latest pep8 updates. Refs #2563.

rest_framework/renderers.py

@@ -458,8 +458,8 @@ class BrowsableAPIRenderer(BaseRenderer):
                 return True  # Don't actually need to return a form
 
             if (
-                not getattr(view, 'get_serializer', None)
-                or not any(is_form_media_type(parser.media_type) for parser in view.parser_classes)
+                not getattr(view, 'get_serializer', None) or
+                not any(is_form_media_type(parser.media_type) for parser in view.parser_classes)
             ):
                 return
 
@@ -503,8 +503,8 @@ class BrowsableAPIRenderer(BaseRenderer):
             # If we're not using content overloading there's no point in
             # supplying a generic form, as the view won't treat the form's
             # value as the content of the request.
-            if not (api_settings.FORM_CONTENT_OVERRIDE
-                    and api_settings.FORM_CONTENTTYPE_OVERRIDE):
+            if not (api_settings.FORM_CONTENT_OVERRIDE and
+                    api_settings.FORM_CONTENTTYPE_OVERRIDE):
                 return None
 
             # Check permissions

rest_framework/request.py

@@ -383,9 +383,9 @@ class Request(object):
 
         # We only need to use form overloading on form POST requests.
         if (
-            not USE_FORM_OVERLOADING
-            or self._request.method != 'POST'
-            or not is_form_media_type(self._content_type)
+            self._request.method != 'POST' or
+            not USE_FORM_OVERLOADING or
+            not is_form_media_type(self._content_type)
         ):
             return
 

rest_framework/serializers.py

@@ -336,8 +336,8 @@ class Serializer(BaseSerializer):
             return OrderedDict([
                 (field_name, field.get_value(self.initial_data))
                 for field_name, field in self.fields.items()
-                if field.get_value(self.initial_data) is not empty
-                and not field.read_only
+                if (field.get_value(self.initial_data) is not empty) and
+                not field.read_only
             ])
 
         return OrderedDict([
@@ -653,8 +653,9 @@ def raise_errors_on_nested_writes(method_name, serializer, validated_data):
     #     ...
     #     profile = ProfileSerializer()
     assert not any(
-        isinstance(field, BaseSerializer) and (key in validated_data)
-        and isinstance(validated_data[key], (list, dict))
+        isinstance(field, BaseSerializer) and
+        (key in validated_data) and
+        isinstance(validated_data[key], (list, dict))
         for key, field in serializer.fields.items()
     ), (
         'The `.{method_name}()` method does not support writable nested'
@@ -673,8 +674,9 @@ def raise_errors_on_nested_writes(method_name, serializer, validated_data):
     #     ...
     #     address = serializer.CharField('profile.address')
     assert not any(
-        '.' in field.source and (key in validated_data)
-        and isinstance(validated_data[key], (list, dict))
+        '.' in field.source and
+        (key in validated_data) and
+        isinstance(validated_data[key], (list, dict))
         for key, field in serializer.fields.items()
     ), (
         'The `.{method_name}()` method does not support writable dotted-source '

rest_framework/templatetags/rest_framework.py

@@ -162,8 +162,8 @@ def urlize_quoted_links(text, trim_url_limit=None, nofollow=True, autoescape=Tru
                     lead = lead + opening
                 # Keep parentheses at the end only if they're balanced.
                 if (
-                    middle.endswith(closing)
-                    and middle.count(closing) == middle.count(opening) + 1
+                    middle.endswith(closing) and
+                    middle.count(closing) == middle.count(opening) + 1
                 ):
                     middle = middle[:-len(closing)]
                     trail = closing + trail

rest_framework/utils/model_meta.py

@@ -145,8 +145,8 @@ def _get_reverse_relationships(opts):
             related_model=related,
             to_many=True,
             has_through_model=(
-                (getattr(relation.field.rel, 'through', None) is not None)
-                and not relation.field.rel.through._meta.auto_created
+                (getattr(relation.field.rel, 'through', None) is not None) and
+                not relation.field.rel.through._meta.auto_created
             )
         )