cubicweb #343379 disturbing message on upgrade [resolved]

Traceback (most recent call last):

 File "/home/auc/src/cubicweb/cubicweb/server/repository.py", line 694, in close_sessions
   self.close(sessionid)
 File "/home/auc/src/cubicweb/cubicweb/server/repository.py", line 641, in close
   session = self._get_session(sessionid, setpool=True)
 File "/home/auc/src/cubicweb/cubicweb/server/repository.py", line 726, in _get_session
   raise Exception('Repository is shutting down')
Exception: Repository is shutting down

shouldn't this be caught somewhere ?

priorityimportant
typebug
done in3.2.2
load0.100
load left0.000
closed by<not specified>