code: def onBars(self, bars):
      self.info("bla")
      self.marketOrder("orcl", 1)
  
file_path: pyalgotrade/testcases/logger_test_2.py
imports: import datetime
  import logging
  from pyalgotrade import strategy
  from pyalgotrade import bar
  from pyalgotrade import logger
  from pyalgotrade.barfeed import membf
label_desc: Use image node_id 2 for calling the BacktestingStrategy obj's underlying member method code with example usage: obj.onBars(bars) without return types