code: def collapse_if_tuple(abi):
      
      typ = abi["type"]
      if not typ.startswith("tuple"):
          return typ
  
      delimited = ",".join(collapse_if_tuple(c) for c in abi["components"])
      # Whatever comes after "tuple" is the array dims.  The ABI spec states that
      # this will have the form "", "[]", or "[k]".
      array_dim = typ[5:]
      collapsed = "({}){}".format(delimited, array_dim)
  
      return collapsed
docs: Converts a tuple from a dict to a parenthesized list of its types.
  
      >>> from eth_utils.abi import collapse_if_tuple
      >>> collapse_if_tuple(
      ...     {
      ...         'components': [
      ...             {'name': 'anAddress', 'type': 'address'},
      ...             {'name': 'anInt', 'type': 'uint256'},
      ...             {'name': 'someBytes', 'type': 'bytes'},
      ...         ],
      ...         'type': 'tuple',
      ...     }
      ... )
      '(address,uint256,bytes)'