code: def setup(self):
      self.npdatetime64 = np.datetime64("2020-01-01 00:00:00")
      self.dttime_unaware = datetime(2020, 1, 1, 0, 0, 0)
      self.dttime_aware = datetime(2020, 1, 1, 0, 0, 0, 0, pytz.UTC)
      self.ts = Timestamp("2020-01-01 00:00:00")
  
imports: from datetime import datetime
  import numpy
  import pytz
  from pandas import Timestamp
  from .tslib import _tzs
label_desc: Use image node_id 1 for calling the TimestampConstruction obj's underlying member method code with example usage: obj.setup() without return types