code: def __loadBarDS(self):
      seconds = 0
  
      ret = bards.BarDataSeries()
      for i in xrange(len(OPEN_VALUES)):
          dateTime = datetime.datetime.now() + datetime.timedelta(
              seconds=seconds
          )
          ret.append(
              bar.BasicBar(
                  dateTime,
                  OPEN_VALUES[i],
                  HIGH_VALUES[i],
                  LOW_VALUES[i],
                  CLOSE_VALUES[i],
                  VOLUME_VALUES[i],
                  CLOSE_VALUES[i],
                  bar.Frequency.DAY,
              )
          )
          seconds += 1
      return ret
  
imports: import datetime
  import talib
  from six.moves import xrange
  from .None import common
  from pyalgotrade.talibext import indicator
  from pyalgotrade import bar
  from pyalgotrade import dataseries
  from pyalgotrade.dataseries import bards
label_desc: Use image node_id 2 for calling the TestCase obj's underlying member method code with example usage: obj.__loadBarDS() and returns: ret