code: def integer_key_convert(dictin, dropfailedkeys=False):
      # type: (DictUpperBound, bool) -> Dict
      
      return key_value_convert(dictin, keyfn=int, dropfailedkeys=dropfailedkeys)
docs: Convert keys of dictionary to integers
  
      Args:
          dictin (DictUpperBound): Input dictionary
          dropfailedkeys (bool): Whether to drop dictionary entries where key conversion fails. Defaults to False.
  
      Returns:
          Dict: Dictionary with keys converted to integers