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-rw-r--r--synapse/handlers/presence.py17
1 files changed, 9 insertions, 8 deletions
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index e562a2e87a..059260a8aa 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -557,9 +557,9 @@ class PresenceHandler(object):
         room_ids_to_states = {}
         users_to_states = {}
         for state in states:
-            events = yield self.store.get_rooms_for_user(state.user_id)
-            for e in events:
-                room_ids_to_states.setdefault(e.room_id, []).append(state)
+            room_ids = yield self.store.get_rooms_for_user(state.user_id)
+            for room_id in room_ids:
+                room_ids_to_states.setdefault(room_id, []).append(state)
 
             plist = yield self.store.get_presence_list_observers_accepted(state.user_id)
             for u in plist:
@@ -913,11 +913,12 @@ class PresenceHandler(object):
     def is_visible(self, observed_user, observer_user):
         """Returns whether a user can see another user's presence.
         """
-        observer_rooms = yield self.store.get_rooms_for_user(observer_user.to_string())
-        observed_rooms = yield self.store.get_rooms_for_user(observed_user.to_string())
-
-        observer_room_ids = set(r.room_id for r in observer_rooms)
-        observed_room_ids = set(r.room_id for r in observed_rooms)
+        observer_room_ids = yield self.store.get_rooms_for_user(
+            observer_user.to_string()
+        )
+        observed_room_ids = yield self.store.get_rooms_for_user(
+            observed_user.to_string()
+        )
 
         if observer_room_ids & observed_room_ids:
             defer.returnValue(True)