Traceback (most recent call last):
File "/home/fermentrack/venv/lib/python3.7/site-packages/tornado/ioloop.py", line 605, in _run_callback
ret = callback()
File "/home/fermentrack/venv/lib/python3.7/site-packages/tornado/stack_context.py", line 277, in null_wrapper
return fn(*args, **kwargs)
File "/home/fermentrack/venv/lib/python3.7/site-packages/zmq/eventloop/zmqstream.py", line 542, in <lambda>
self.io_loop.add_callback(lambda : self._handle_events(self.socket, 0))
File "/home/fermentrack/venv/lib/python3.7/site-packages/zmq/eventloop/zmqstream.py", line 452, in _handle_events
zmq_events = self.socket.EVENTS
File "/home/fermentrack/venv/lib/python3.7/site-packages/zmq/sugar/attrsettr.py", line 48, in __getattr__
return self._get_attr_opt(upper_key, opt)
File "/home/fermentrack/venv/lib/python3.7/site-packages/zmq/sugar/attrsettr.py", line 52, in _get_attr_opt
return self.get(opt)
File "zmq/backend/cython/socket.pyx", line 472, in zmq.backend.cython.socket.Socket.get
File "zmq/backend/cython/socket.pyx", line 135, in zmq.backend.cython.socket._check_closed
zmq.error.ZMQError: Socket operation on non-socket