code: def getVWAP(self):
      return self.__vwap
  
file_path: pyalgotrade/samples/vwap_momentum.py
imports: from __future__ import print_function
  from pyalgotrade import strategy
  from pyalgotrade import plotter
  from pyalgotrade.tools import quandl
  from pyalgotrade.technical import vwap
  from pyalgotrade.stratanalyzer import sharpe
label_desc: Use image node_id 2 for calling the VWAPMomentum obj's underlying member method code with example usage: obj.getVWAP() and returns: self