def long_int(hash_key):
 if (sys.version_info < (3,)):
  return long(hash_key)
 else:
  return int(hash_key)

def long_int ( hash_key ) : if ( sys . version_info < ( 3 , ) ) : return long ( hash_key ) else : return int ( hash_key )
the hash key is a 128-bit int .