code: def onOrderUpdated(self, order):
      self.ordersUpdated.append(order)
      self.orderExecutionInfo.append(order.getExecutionInfo())
  
imports: import datetime
  from pyalgotrade import strategy
label_desc: Use image node_id 4 for calling the TestStrategyMixin obj's underlying member method code with example usage: obj.onOrderUpdated(order) without return types