# Pastebin jtGaBjFu
Traceback (most recent call last):
  File "/usr/local/bin/zuul-scheduler", line 8, in <module>
    sys.exit(main())
  File "/usr/local/lib/python3.8/site-packages/zuul/cmd/scheduler.py", line 173, in main
    Scheduler().main()
  File "/usr/local/lib/python3.8/site-packages/zuul/cmd/__init__.py", line 224, in main
    self.run()
  File "/usr/local/lib/python3.8/site-packages/zuul/cmd/scheduler.py", line 164, in run
    signal.pause()
  File "/usr/local/lib/python3.8/site-packages/zuul/cmd/scheduler.py", line 74, in exit_handler
    self.sched.stop()
  File "/usr/local/lib/python3.8/site-packages/zuul/scheduler.py", line 253, in stop
    self.stopConnections()
  File "/usr/local/lib/python3.8/site-packages/zuul/scheduler.py", line 277, in stopConnections
    self.connections.stop()
  File "/usr/local/lib/python3.8/site-packages/zuul/lib/connections.py", line 87, in stop
    connection.onStop()
  File "/usr/local/lib/python3.8/site-packages/zuul/driver/gerrit/gerritconnection.py", line 1524, in onStop
    self._stop_watcher_thread()
  File "/usr/local/lib/python3.8/site-packages/zuul/driver/gerrit/gerritconnection.py", line 1534, in _stop_watcher_thread
    self.watcher_thread.stop()
  File "/usr/local/lib/python3.8/site-packages/zuul/driver/gerrit/gerritconnection.py", line 426, in stop
    self.watcher_election.cancel(self._run)
TypeError: cancel() takes 1 positional argument but 2 were given