diff --git a/rest_framework/decorators.py b/rest_framework/decorators.py
index 4c8bda39c..1b21e643b 100644
--- a/rest_framework/decorators.py
+++ b/rest_framework/decorators.py
@@ -16,7 +16,6 @@ from rest_framework.views import APIView
 
 
 def api_view(http_method_names=None):
-
     """
     Decorator that converts a function-based view into an APIView subclass.
     Takes a list of allowed methods for the view as an argument.
diff --git a/rest_framework/generics.py b/rest_framework/generics.py
index 88438e8c4..3ee569109 100644
--- a/rest_framework/generics.py
+++ b/rest_framework/generics.py
@@ -184,7 +184,6 @@ class GenericAPIView(views.APIView):
 
 class CreateAPIView(mixins.CreateModelMixin,
                     GenericAPIView):
-
     """
     Concrete view for creating a model instance.
     """
@@ -212,7 +211,6 @@ class RetrieveAPIView(mixins.RetrieveModelMixin,
 
 class DestroyAPIView(mixins.DestroyModelMixin,
                      GenericAPIView):
-
     """
     Concrete view for deleting a model instance.
     """
@@ -222,7 +220,6 @@ class DestroyAPIView(mixins.DestroyModelMixin,
 
 class UpdateAPIView(mixins.UpdateModelMixin,
                     GenericAPIView):
-
     """
     Concrete view for updating a model instance.
     """
diff --git a/rest_framework/parsers.py b/rest_framework/parsers.py
index 95de41c23..ab74a6e58 100644
--- a/rest_framework/parsers.py
+++ b/rest_framework/parsers.py
@@ -35,7 +35,6 @@ class BaseParser(object):
     All parsers should extend `BaseParser`, specifying a `media_type`
     attribute, and overriding the `.parse()` method.
     """
-
     media_type = None
 
     def parse(self, stream, media_type=None, parser_context=None):
@@ -51,7 +50,6 @@ class JSONParser(BaseParser):
     """
     Parses JSON-serialized data.
     """
-
     media_type = 'application/json'
     renderer_class = renderers.JSONRenderer
 
@@ -73,7 +71,6 @@ class FormParser(BaseParser):
     """
     Parser for form data.
     """
-
     media_type = 'application/x-www-form-urlencoded'
 
     def parse(self, stream, media_type=None, parser_context=None):
@@ -91,7 +88,6 @@ class MultiPartParser(BaseParser):
     """
     Parser for multipart form data, which may include file data.
     """
-
     media_type = 'multipart/form-data'
 
     def parse(self, stream, media_type=None, parser_context=None):
@@ -131,7 +127,6 @@ class FileUploadParser(BaseParser):
         `.data` will be None (we expect request body to be a file content).
         `.files` will be a `QueryDict` containing one 'file' element.
         """
-
         parser_context = parser_context or {}
         request = parser_context['request']
         encoding = parser_context.get('encoding', settings.DEFAULT_CHARSET)
diff --git a/rest_framework/permissions.py b/rest_framework/permissions.py
index 4d5832a7a..8f5de0256 100644
--- a/rest_framework/permissions.py
+++ b/rest_framework/permissions.py
@@ -33,6 +33,7 @@ class AllowAny(BasePermission):
     permission_classes list, but it's useful because it makes the intention
     more explicit.
     """
+
     def has_permission(self, request, view):
         return True
 
@@ -150,7 +151,6 @@ class DjangoObjectPermissions(DjangoModelPermissions):
     This permission can only be applied against view classes that
     provide a `.queryset` attribute.
     """
-
     perms_map = {
         'GET': [],
         'OPTIONS': [],
diff --git a/rest_framework/relations.py b/rest_framework/relations.py
index 2b7906a59..572b69170 100644
--- a/rest_framework/relations.py
+++ b/rest_framework/relations.py
@@ -397,7 +397,6 @@ class SlugRelatedField(RelatedField):
     A read-write field that represents the target of the relationship
     by a unique 'slug' attribute.
     """
-
     default_error_messages = {
         'does_not_exist': _('Object with {slug_name}={value} does not exist.'),
         'invalid': _('Invalid value.'),
diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py
index 024f0eb8b..68af417da 100644
--- a/rest_framework/renderers.py
+++ b/rest_framework/renderers.py
@@ -40,7 +40,6 @@ class BaseRenderer(object):
     All renderers should extend this class, setting the `media_type`
     and `format` attributes, and override the `.render()` method.
     """
-
     media_type = None
     format = None
     charset = 'utf-8'
@@ -54,7 +53,6 @@ class JSONRenderer(BaseRenderer):
     """
     Renderer which serializes to JSON.
     """
-
     media_type = 'application/json'
     format = 'json'
     encoder_class = encoders.JSONEncoder
@@ -136,7 +134,6 @@ class TemplateHTMLRenderer(BaseRenderer):
 
     For pre-rendered HTML, see StaticHTMLRenderer.
     """
-
     media_type = 'text/html'
     format = 'html'
     template_name = None
diff --git a/rest_framework/request.py b/rest_framework/request.py
index 846cadcd9..aafafcb32 100644
--- a/rest_framework/request.py
+++ b/rest_framework/request.py
@@ -41,6 +41,7 @@ class override_method(object):
         with override_method(view, request, 'POST') as request:
             ... # Do stuff with `view` and `request`
     """
+
     def __init__(self, view, request, method):
         self.view = view
         self.request = request
@@ -129,6 +130,7 @@ class Request(object):
         - authentication_classes(list/tuple). The authentications used to try
           authenticating the request's user.
     """
+
     def __init__(self, request, parsers=None, authenticators=None,
                  negotiator=None, parser_context=None):
         self._request = request
diff --git a/rest_framework/routers.py b/rest_framework/routers.py
index 39605923d..027a78cc1 100644
--- a/rest_framework/routers.py
+++ b/rest_framework/routers.py
@@ -144,7 +144,6 @@ class SimpleRouter(BaseRouter):
 
         Returns a list of the Route namedtuple.
         """
-
         known_actions = flatten([route.mapping.values() for route in self.routes if isinstance(route, Route)])
 
         # Determine any `@detail_route` or `@list_route` decorated methods on the viewset
diff --git a/rest_framework/throttling.py b/rest_framework/throttling.py
index abb353469..1449f501b 100644
--- a/rest_framework/throttling.py
+++ b/rest_framework/throttling.py
@@ -15,6 +15,7 @@ class BaseThrottle(object):
     """
     Rate throttling of requests.
     """
+
     def allow_request(self, request, view):
         """
         Return `True` if the request should be allowed, `False` otherwise.
@@ -60,7 +61,6 @@ class SimpleRateThrottle(BaseThrottle):
 
     Previous request information used for throttling is stored in the cache.
     """
-
     cache = default_cache
     timer = time.time
     cache_format = 'throttle_%(scope)s_%(ident)s'
diff --git a/rest_framework/utils/breadcrumbs.py b/rest_framework/utils/breadcrumbs.py
index 950e9695b..b7593c25f 100644
--- a/rest_framework/utils/breadcrumbs.py
+++ b/rest_framework/utils/breadcrumbs.py
@@ -19,7 +19,6 @@ def get_breadcrumbs(url, request=None):
         Add tuples of (name, url) to the breadcrumbs list,
         progressively chomping off parts of the url.
         """
-
         try:
             (view, unused_args, unused_kwargs) = resolve(url)
         except Exception: