code: def init_instance_fixtures(self):
      super(TestReindexSessionBars, self).init_instance_fixtures()
  
      self.reader = ReindexSessionBarReader(
          self.trading_calendar,
          self.bcolz_equity_daily_bar_reader,
          self.START_DATE,
          self.END_DATE,
      )
  
imports: from collections import OrderedDict
  from numbers import Real
  from nose_parameterized import parameterized
  from numpy.testing import assert_almost_equal
  from numpy import nan, array, full, isnan
  import pandas
  from pandas import DataFrame
  from six import iteritems
  from catalyst.data.resample import minute_frame_to_session_frame, DailyHistoryAggregator, MinuteResampleSessionBarReader, ReindexMinuteBarReader, ReindexSessionBarReader
  from catalyst.testing import parameter_space
  from catalyst.testing.fixtures import WithEquityMinuteBarData, WithBcolzEquityMinuteBarReader, WithBcolzEquityDailyBarReader, WithBcolzFutureMinuteBarReader, CatalystTestCase
label_desc: Use image node_id 1 for calling the TestReindexSessionBars obj's underlying member method code with example usage: obj.init_instance_fixtures() without return types