code: def setup(self):
      N = 1500000
      rng = date_range(start="1/1/2000", periods=N, freq="s")
      self.ts = Series(1, index=rng)
      self.lookup_val = rng[N // 2]
  
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 Lookup obj's underlying member method code with example usage: obj.setup() without return types