def memorized_ttinfo(*args):
    '''Create only one instance of each distinct tuple'''
    try:
        return _ttinfo_cache[args]
    except __HOLE__:
        ttinfo = (
                memorized_timedelta(args[0]),
                memorized_timedelta(args[1]),
                args[2]
                )
        _ttinfo_cache[args] = ttinfo
        return ttinfo
dataset/ETHPy150Open Southpaw-TACTIC/TACTIC/3rd_party/site-packages/pytz/tzinfo.py/memorized_ttinfo