From 4a5bbb1941ae63f1d6632aa35e80274e56c8dbb9 Mon Sep 17 00:00:00 2001 From: Mark Haines Date: Mon, 6 Jun 2016 16:37:12 +0100 Subject: [PATCH] Fix a KeyError in the synchrotron presence --- synapse/app/synchrotron.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/synapse/app/synchrotron.py b/synapse/app/synchrotron.py index aa81e1c5d..3d0d5cc15 100644 --- a/synapse/app/synchrotron.py +++ b/synapse/app/synchrotron.py @@ -187,7 +187,10 @@ class SynchrotronPresence(object): yield self._send_syncing_users_now() def _end(): - if affect_presence: + # We check that the user_id is in user_to_num_current_syncs because + # user_to_num_current_syncs may have been cleared if we are + # shutting down. + if affect_presence and user_id in self.user_to_num_current_syncs: self.user_to_num_current_syncs[user_id] -= 1 @contextlib.contextmanager