code: def reset(self):
      self.__nextIdx = 0
      feed.BaseFeed.reset(self)
  
file_path: pyalgotrade/pyalgotrade/feed/memfeed.py
imports: from pyalgotrade import feed
  from pyalgotrade import dataseries
label_desc: Use image node_id 2 for calling the MemFeed obj's underlying member method code with example usage: obj.reset() without return types