self.websocket.ping() unhandled exception

[d0hnuts]

`Unhandled exception in thread started by <bound method Bot._keep_active of <mattermost_bot.bot.Bot object at 0x7f8ec067f588>>
Traceback (most recent call last):
  File "/usr/local/lib/python3.5/dist-packages/mattermost_bot/bot.py", line 43, in _keep_active
    self._client.ping()

  File "/usr/local/lib/python3.5/dist-packages/mattermost_bot/mattermost.py", line 215, in ping
    self.websocket.ping()
  File "/usr/lib/python3/dist-packages/websocket/_core.py", line 280, in ping
    self.send(payload, ABNF.OPCODE_PING)
  File "/usr/lib/python3/dist-packages/websocket/_core.py", line 239, in send
    return self.send_frame(frame)
  File "/usr/lib/python3/dist-packages/websocket/_core.py", line 264, in send_frame
    l = self._send(data)
  File "/usr/lib/python3/dist-packages/websocket/_core.py", line 425, in _send
    return send(self.sock, data)
  File "/usr/lib/python3/dist-packages/websocket/_socket.py", line 109, in send
    raise WebSocketConnectionClosedException("socket is already closed.")
websocket._exceptions.WebSocketConnectionClosedException: socket is already closed.`

On both servers we get this filling up our logs, for now we catch it but thought you should know.