code: def __init__(self):
      self._ws = None
  
file_path: perspective/python/perspective/perspective/client/tornado.py
imports: from tornado import ioloop
  from tornado.websocket import websocket_connect
  from .websocket import PerspectiveWebsocketClient, PerspectiveWebsocketConnection, Periodic
label_desc: Use image node_id 1 to create a new PerspectiveTornadoWebsocketConnection object from inherited base classes: PerspectiveWebsocketConnection with example: obj = PerspectiveTornadoWebsocketConnection()