Merge pull request #1914 from matrix-org/erikj/cache_presence

Cache get_presence storage

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py

index fdfce2a88c..da610e430f 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -531,7 +531,7 @@ class PresenceHandler(object):
             # There are things not in our in memory cache. Lets pull them out of
             # the database.
             res = yield self.store.get_presence_for_users(missing)
-            states.update({state.user_id: state for state in res})
+            states.update(res)
 
             missing = [user_id for user_id, state in states.items() if not state]
             if missing: