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authorErik Johnston <erik@matrix.org>2017-03-28 10:41:08 +0100
committerErik Johnston <erik@matrix.org>2017-03-30 14:14:36 +0100
commit86780a8bc3eac566d2c03a601f84b5ccf5737ceb (patch)
tree196cf1307a234245d4d1642509f64a2f98c09ca5 /synapse/visibility.py
parentFix the logcontext handling in the cache wrappers (#2077) (diff)
downloadsynapse-86780a8bc3eac566d2c03a601f84b5ccf5737ceb.tar.xz
Don't convert to deferreds when not necessary
Diffstat (limited to 'synapse/visibility.py')
-rw-r--r--synapse/visibility.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/visibility.py b/synapse/visibility.py
index 31659156ae..c4dd9ae2c7 100644
--- a/synapse/visibility.py
+++ b/synapse/visibility.py
@@ -56,7 +56,8 @@ def filter_events_for_clients(store, user_tuples, events, event_id_to_state):
         events ([synapse.events.EventBase]): list of events to filter
     """
     forgotten = yield preserve_context_over_deferred(defer.gatherResults([
-        preserve_fn(store.who_forgot_in_room)(
+        defer.maybeDeferred(
+            preserve_fn(store.who_forgot_in_room),
             room_id,
         )
         for room_id in frozenset(e.room_id for e in events)