  class UUIDField(Field):
      valid_formats = ('hex_verbose', 'hex', 'int', 'urn')
  
      default_error_messages = {
          'invalid': _('"{value}" is not a valid UUID.'),
      }
  
      def __init__(self, **kwargs):
          self.uuid_format = kwargs.pop('format', 'hex_verbose')
          if self.uuid_format not in self.valid_formats:
 
</s> remove         'invalid': _('"{input}" is not a valid boolean.')
 </s> add         'invalid': _('Must be a valid boolean.') </s> remove         'invalid': _('"{input}" is not a valid boolean.')
 </s> add         'invalid': _('Must be a valid boolean.') </s> remove             expected = ['"{0}" is not a valid boolean.'.format(input_value)]
 </s> add             expected = ['Must be a valid boolean.'.format(input_value)] </s> remove         '825d7aeb-05a9-45b5-a5b7': ['"825d7aeb-05a9-45b5-a5b7" is not a valid UUID.'],
        (1, 2, 3): ['"(1, 2, 3)" is not a valid UUID.']
 </s> add         '825d7aeb-05a9-45b5-a5b7': ['Must be a valid UUID.'],
        (1, 2, 3): ['Must be a valid UUID.'] </s> remove         'foo': ['"foo" is not a valid boolean.'],
 </s> add         'foo': ['Must be a valid boolean.'],
        'invalid': _('Must be a valid UUID.'),
  class UUIDField(Field):
      valid_formats = ('hex_verbose', 'hex', 'int', 'urn')
  
      default_error_messages = {
        'invalid': _('Must be a valid UUID.'),
      }
  
      def __init__(self, **kwargs):
          self.uuid_format = kwargs.pop('format', 'hex_verbose')
          if self.uuid_format not in self.valid_formats:
keep keep keep keep replace keep keep keep keep keep
 Removed input value from deault_error_message (#5881) 
rest_framework/fields.py