  
          return {
              super(MultipleChoiceField, self).to_internal_value(item)
              for item in data
          }
  
      def to_representation(self, value):
 
</s> remove         super(LinkNode, self).__init__()
 </s> add         super().__init__() </s> remove         super(SchemaGenerator, self).__init__(title, url, description, patterns, urlconf)
 </s> add         super().__init__(title, url, description, patterns, urlconf) </s> remove         super(ManualSchema, self).__init__()
 </s> add         super().__init__() </s> remove         super(AutoSchema, self).__init__()
 </s> add         super().__init__()
            # Arguments for super() are needed because of scoping inside
            # comprehensions.
  
          return {
            # Arguments for super() are needed because of scoping inside
            # comprehensions.
              super(MultipleChoiceField, self).to_internal_value(item)
              for item in data
          }
  
      def to_representation(self, value):
keep add keep keep keep keep keep
 Remove old-style `super` calls (#8226) 
rest_framework/fields.py