code: def load_raw_arrays(self, columns, start_dt, end_dt, sids):
      return self._get_resampled(columns, start_dt, end_dt, sids)
  
imports: from collections import OrderedDict
  from abc import ABCMeta, abstractmethod
  import numpy
  import pandas
  from six import with_metaclass
  from catalyst.data._resample import _minute_to_session_open, _minute_to_session_high, _minute_to_session_low, _minute_to_session_close, _minute_to_session_volume
  from catalyst.data.bar_reader import NoDataOnDate
  from catalyst.data.minute_bars import MinuteBarReader
  from catalyst.data.session_bars import SessionBarReader
  from catalyst.utils.memoize import lazyval
label_desc: Use image node_id 4 for calling the MinuteResampleSessionBarReader obj's underlying member method code with example usage: obj.load_raw_arrays(columns, start_dt, end_dt, sids) and returns: self