code: def from_base58_seed(cls, base58_seed):
          
          warnings.warn(
              "Base58 address encoding is DEPRECATED! Use this method only for "
              "transition to strkey encoding.", DeprecationWarning)
          raw_seed = b58decode_check(base58_seed)[1:]
          return cls.from_raw_seed(raw_seed)
docs: Generate a :class:`Keypair` object via Base58 encoded seed.
  
          .. deprecated:: 0.1.7
             Base58 address encoding is DEPRECATED! Use this method only for
             transition to strkey encoding.
  
          :param str base58_seed: A base58 encoded encoded secret seed.
          :return: A new :class:`Keypair` derived from the secret seed.