  class LinkNode(OrderedDict):
      def __init__(self):
          self.links = []
          self.methods_counter = Counter()
          super(LinkNode, self).__init__()
  
      def get_available_key(self, preferred_key):
          if preferred_key not in self:
              return preferred_key
  
 
</s> remove         super(AutoSchema, self).__init__()
 </s> add         super().__init__() </s> remove         super(ManualSchema, 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)
        super().__init__()
  class LinkNode(OrderedDict):
      def __init__(self):
          self.links = []
          self.methods_counter = Counter()
        super().__init__()
  
      def get_available_key(self, preferred_key):
          if preferred_key not in self:
              return preferred_key
  
keep keep keep keep replace keep keep keep keep keep
 Remove old-style `super` calls (#8226) 
rest_framework/schemas/coreapi.py