code: def start(self):
      super(MemFeed, self).start()
      # Now that all the data is in place, sort it to dispatch it in order.
      self.__values.sort(key=lambda x: x[0])
  
file_path: pyalgotrade/pyalgotrade/feed/memfeed.py
imports: from pyalgotrade import feed
  from pyalgotrade import dataseries
label_desc: Use image node_id 3 for calling the MemFeed obj's underlying member method code with example usage: obj.start() without return types