code: def __init__(self):
      self.__subjects = []
      self.__stop = False
      self.__startEvent = observer.Event()
      self.__idleEvent = observer.Event()
      self.__currDateTime = None
  
file_path: pyalgotrade/pyalgotrade/dispatcher.py
imports: from pyalgotrade import utils
  from pyalgotrade import observer
  from pyalgotrade import dispatchprio
label_desc: Use image node_id 1 to create a new Dispatcher object from inherited base classes: object with example: obj = Dispatcher()