code: def time_replace_across_dst(self):
      self.ts2.replace(tzinfo=self.tzinfo)
  
imports: from datetime import datetime
  import numpy
  import pytz
  from pandas import Timestamp
  from .tslib import _tzs
label_desc: Use image node_id 2 for calling the TimestampAcrossDst obj's underlying member method code with example usage: obj.time_replace_across_dst() without return types