code: def close(self):
      if not self.closed:
          self._zmq.close()
          self._zmq = None
          utils.debug_log("ZmqStream is closed", verbosity=1)
      super(ZmqStream, self).close()
  
file_path: tensorwatch/tensorwatch/zmq_stream.py
imports: from typing import Any
  from .zmq_wrapper import ZmqWrapper
  from .stream import Stream
  from .lv_types import DefaultPorts, PublisherTopics
  from .None import utils
label_desc: Use image node_id 3 for calling the ZmqStream obj's underlying member method code with example usage: obj.close() without return types