flake

rest_framework/fields.py

@@ -1294,24 +1294,6 @@ class RecursiveField(Field):
         next = RecursiveField(allow_null=True)
     """
 
-    # Implementation notes
-    # 
-    # Only use __getattribute__ to forward the bound methods. Stop short of
-    # forwarding all attributes for the following reasons:
-    # - if you forward the __class__ attribute then deepcopy will give you back
-    #   the wrong class 
-    # - if you forward the fields attribute then __repr__ will enter into an
-    #   infinite recursion 
-    # - who knows what other infinite recursions are possible
-    # 
-    # We only forward bound methods, but there are some attributes that must be
-    # accessible on both the RecursiveField and the proxied serializer, namely:
-    # field_name, read_only, default, source_attrs, write_attrs, source. As far
-    # as I can tell, the cleanest way to make these fields availabe without
-    # piecemeal forwarding them through __getattribute__ is to call bind and
-    # __init__ on both the RecursiveField and the proxied field using the exact
-    # same arguments.
-
     def __init__(self, to='self', to_module=None, **kwargs):
         self.to = to
         self.to_module = to_module
@@ -1336,7 +1318,7 @@ class RecursiveField(Field):
             ref = importlib.import_module(self.to_module or parent_class.__module__)
             for part in self.to.split('.'):
                 ref = getattr(ref, part)
-            proxy_class = ref 
+            proxy_class = ref
 
         proxy = proxy_class(**self._kwargs)
         proxy.bind(field_name, parent)
@@ -1348,7 +1330,7 @@ class RecursiveField(Field):
         if 'proxy' in d:
             try:
                 attr = getattr(d['proxy'], name)
-                
+
                 if hasattr(attr, '__self__'):
                     return attr
             except AttributeError:

tests/test_recursive.py

@@ -1,5 +1,6 @@
 from rest_framework import serializers
 
+
 class LinkSerializer(serializers.Serializer):
     name = serializers.CharField(max_length=25)
     next = serializers.RecursiveField(required=False, allow_null=True)
@@ -47,7 +48,7 @@ class TestRecursiveField:
             'cannot validate on deserialization: %s' % dict(serializer.errors)
         assert serializer.validated_data == data, \
             'deserialized data does not match input'
-        
+
     def test_link_serializer(self):
         value = {
             'name': 'first',