2021-05-08 12:07:06,262 read_thread sleekxmpp.basexmpp ERROR    basexmpp:exception: Key Session timeout check already exists
Traceback (most recent call last):
  File "/var/polyglot/.local/lib/python3.7/site-packages/sleekxmpp/xmlstream/xmlstream.py", line 1184, in event
    handler[0](out_data)
  File "/var/polyglot/.local/lib/python3.7/site-packages/sleekxmpp/xmlstream/xmlstream.py", line 662, in _session_timeout_check
    _handle_session_timeout)
  File "/var/polyglot/.local/lib/python3.7/site-packages/sleekxmpp/xmlstream/xmlstream.py", line 1219, in schedule
    repeat, qpointer=self.event_queue)
  File "/var/polyglot/.local/lib/python3.7/site-packages/sleekxmpp/xmlstream/scheduler.py", line 220, in add
    raise ValueError("Key %s already exists" % name)
ValueError: Key Session timeout check already exists