code: def time_reset_datetimeindex(self, tz):
      self.df.reset_index()
  
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 2 for calling the ResetIndex obj's underlying member method code with example usage: obj.time_reset_datetimeindex(tz) without return types