code: def stop_restarter(self):
      if self.autorestart:
          if self._restarter is not None:
              self._restarter.stop()
  
file_path: catboost/contrib/python/jupyter-client/py2/jupyter_client/ioloop/manager.py
imports: from __future__ import absolute_import
  from zmq.eventloop import ioloop
  from zmq.eventloop.zmqstream import ZMQStream
  from traitlets import Instance, Type
  from jupyter_client.manager import KernelManager
  from .restarter import IOLoopKernelRestarter
label_desc: Use image node_id 3 for calling the IOLoopKernelManager obj's underlying member method code with example usage: obj.stop_restarter() without return types