1 files changed, 8 insertions, 12 deletions
diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py
index b13b646bfd..4ccaf178ce 100644
--- a/synapse/push/mailer.py
+++ b/synapse/push/mailer.py
@@ -526,12 +526,10 @@ class Mailer(object):
# If the room doesn't have a name, say who the messages
# are from explicitly to avoid, "messages in the Bob room"
sender_ids = list(
- set(
- [
- notif_events[n["event_id"]].sender
- for n in notifs_by_room[room_id]
- ]
- )
+ {
+ notif_events[n["event_id"]].sender
+ for n in notifs_by_room[room_id]
+ }
)
member_events = yield self.store.get_events(
@@ -558,12 +556,10 @@ class Mailer(object):
# If the reason room doesn't have a name, say who the messages
# are from explicitly to avoid, "messages in the Bob room"
sender_ids = list(
- set(
- [
- notif_events[n["event_id"]].sender
- for n in notifs_by_room[reason["room_id"]]
- ]
- )
+ {
+ notif_events[n["event_id"]].sender
+ for n in notifs_by_room[reason["room_id"]]
+ }
)
member_events = yield self.store.get_events(
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