code: def setup(self, freq, is_offset):
      self.rng = date_range("1985", periods=1000)
      self.rng2 = date_range("1985", periods=1000).to_pydatetime()
      self.ints = list(range(2000, 3000))
      self.daily_ints = (
          date_range("1/1/2000", periods=1000, freq=freq)
          .strftime("%Y%m%d")
          .map(int)
      )
      if is_offset:
          self.freq = to_offset(freq)
      else:
          self.freq = freq
  
imports: from pandas import DataFrame, Period, PeriodIndex, Series, date_range, period_range
  from pandas.tseries.frequencies import to_offset
label_desc: Use image node_id 1 for calling the PeriodIndexConstructor obj's underlying member method code with example usage: obj.setup(freq, is_offset) without return types