      type_name = 'URLField'
      type_label = 'url'
  
      def __init__(self, **kwargs):
          kwargs['validators'] = [validators.URLValidator()]
          super(URLField, self).__init__(**kwargs)
  
  
  class SlugField(CharField):
      type_name = 'SlugField'
 
</s> remove     Tests for URLField attribute values
 </s> add     Tests for URLField attribute values.

    (Includes test for #1210, checking that validators can be overridden.)
        if not 'validators' in kwargs:
            kwargs['validators'] = [validators.URLValidator()]
      type_name = 'URLField'
      type_label = 'url'
  
      def __init__(self, **kwargs):
        if not 'validators' in kwargs:
            kwargs['validators'] = [validators.URLValidator()]
          super(URLField, self).__init__(**kwargs)
  
  
  class SlugField(CharField):
      type_name = 'SlugField'
keep keep keep keep replace keep keep keep keep keep
 Test and fix for #1210. World's lowest hanging fruit. 
rest_framework/fields.py