Exception during tz_localize w/ empty Series
from pandas import Series
s = Series()
s.tz_localize('UTC')

Q:\GAARD\Prod\Apps\Pandas64\4.36\pandas\core\series.pyc in tz_localize(self, tz, copy)
   2730         localized : TimeSeries
   2731         """
-> 2732         new_index = self.index.tz_localize(tz)
   2733
   2734         new_values = self.values

AttributeError: 'Index' object has no attribute 'tz_localize'
