code: def setup(self, tz):
      idx = date_range(start="1/1/2000", periods=1000, freq="h", tz=tz)
      self.df = DataFrame(np.random.randn(1000, 2), index=idx)
  
imports: from datetime import timedelta
  import dateutil
  import numpy
  from pandas import DataFrame, Series, date_range, period_range, timedelta_range
  from pandas.tseries.frequencies import infer_freq
  from .pandas_vb_common import setup
label_desc: Use image node_id 1 for calling the ResetIndex obj's underlying member method code with example usage: obj.setup(tz) without return types