code: def _shouldRebalance(self, dateTime):
      return dateTime.month != self.__rebalanceMonth
  
imports: from __future__ import print_function
  from pyalgotrade import strategy
  from pyalgotrade import plotter
  from pyalgotrade.barfeed import yahoofeed
  from pyalgotrade.technical import ma
  from pyalgotrade.technical import cumret
  from pyalgotrade.stratanalyzer import sharpe
  from pyalgotrade.stratanalyzer import returns
label_desc: Use image node_id 2 for calling the MarketTiming obj's underlying member method code with example usage: obj._shouldRebalance(dateTime) and returns: unknown