AttributeError: 'NoneType' object has no attribute 'levelno'

[julien-duponchelle]

https://sentry.io/gns3/gns3-gui/issues/296697767/

AttributeError: 'NoneType' object has no attribute 'levelno'
(3 additional frame(s) were not displayed)
...
  File "gns3/node.py", line 306, in updateNodeCallback
    log.error("error while updating {}: {}".format(self.name(), result["message"]))
  File "logging/__init__.py", line 1308, in error
    self._log(ERROR, msg, args, **kwargs)
  File "logging/__init__.py", line 1415, in _log
    self.handle(record)
  File "logging/__init__.py", line 1425, in handle
    self.callHandlers(record)
  File "logging/__init__.py", line 1486, in callHandlers
    if record.levelno >= hdlr.level:

AttributeError: 'NoneType' object has no attribute 'levelno'

[julien-duponchelle]

Checked the crash in is in python internals which is weird. Look someone trying something and the whole log system is broken.