from __future__ import print_function,absolute_import,division,unicode_literals import datetime,copy if False:from typing import Any,Dict,Optional,List class TimeStamp(datetime.datetime): def __init__(A,*B,**C):A._yaml=dict(t=False,tz=None,delta=0) def __new__(A,*B,**C):return datetime.datetime.__new__(A,*B,**C) def __deepcopy__(A,memo):B=TimeStamp(A.year,A.month,A.day,A.hour,A.minute,A.second);B._yaml=copy.deepcopy(A._yaml);return B