Code linting and added runtests.py

1 files changed, 9 insertions, 8 deletions

diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py
index 7048d87d..3dabd277 100644
--- a/rest_framework/renderers.py
+++ b/rest_framework/renderers.py
@@ -8,7 +8,6 @@ REST framework also provides an HTML renderer the renders the browsable API.
 """
 from __future__ import unicode_literals
 
-import copy
 import json
 import django
 from django import forms
@@ -75,7 +74,6 @@ class JSONRenderer(BaseRenderer):
         # E.g. If we're being called by the BrowsableAPIRenderer.
         return renderer_context.get('indent', None)
 
-
     def render(self, data, accepted_media_type=None, renderer_context=None):
         """
         Render `data` into JSON, returning a bytestring.
@@ -86,8 +84,10 @@ class JSONRenderer(BaseRenderer):
         renderer_context = renderer_context or {}
         indent = self.get_indent(accepted_media_type, renderer_context)
 
-        ret = json.dumps(data, cls=self.encoder_class,
-            indent=indent, ensure_ascii=self.ensure_ascii)
+        ret = json.dumps(
+            data, cls=self.encoder_class,
+            indent=indent, ensure_ascii=self.ensure_ascii
+        )
 
         # On python 2.x json.dumps() returns bytestrings if ensure_ascii=True,
         # but if ensure_ascii=False, the return type is underspecified,
@@ -454,8 +454,10 @@ class BrowsableAPIRenderer(BaseRenderer):
             if method in ('DELETE', 'OPTIONS'):
                 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)):
+            if (
+                not getattr(view, 'get_serializer', None)
+                or not any(is_form_media_type(parser.media_type) for parser in view.parser_classes)
+            ):
                 return
 
             serializer = view.get_serializer(instance=obj, data=data, files=files)
@@ -576,7 +578,7 @@ class BrowsableAPIRenderer(BaseRenderer):
             'version': VERSION,
             'breadcrumblist': self.get_breadcrumbs(request),
             'allowed_methods': view.allowed_methods,
-            'available_formats': [renderer.format for renderer in view.renderer_classes],
+            'available_formats': [renderer_cls.format for renderer_cls in view.renderer_classes],
             'response_headers': response_headers,
 
             'put_form': self.get_rendered_html_form(view, 'PUT', request),
@@ -625,4 +627,3 @@ class MultiPartRenderer(BaseRenderer):
 
     def render(self, data, accepted_media_type=None, renderer_context=None):
         return encode_multipart(self.BOUNDARY, data)
-