<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _pytypes_excepthook(exctype, value, tb):
 """"An excepthook suitable for use as sys.excepthook, that strips away the part of the traceback belonging to pytypes' internals. Can be switched on and off via pytypes.clean_traceback or pytypes.set_clean_traceback. The latter automatically installs this hook in sys.excepthook. """

    if pytypes.clean_traceback and issubclass(exctype, TypeError):
        traceback.print_exception(exctype, value, tb, _calc_traceback_limit(tb))
    else:
        if _sys_excepthook is None:
            sys.__excepthook__(exctype, value, tb)
        else:
            _sys_excepthook(exctype, value, tb)