code: def loadDailyBarFeed(self):
      barFeed = yahoofeed.Feed()
      barFeed.addBarsFromCSV(
          StrategyTestCase.TestInstrument,
          common.get_data_file_path("orcl-2000-yahoofinance.csv"),
      )
      return barFeed
  
imports: import datetime
  from .None import common
  from pyalgotrade import strategy
  from pyalgotrade import broker
  from pyalgotrade.barfeed import yahoofeed
label_desc: Use image node_id 1 for calling the StrategyTestCase obj's underlying member method code with example usage: obj.loadDailyBarFeed() and returns: barFeed