From 78a6b950b3258c3d3e11a0b4341d40ddc99748e2 Mon Sep 17 00:00:00 2001
From: Amber Brown <hawkowl@atleastfornow.net>
Date: Tue, 12 Mar 2019 00:50:28 +1100
Subject: [PATCH] fix

---
 synapse/storage/user_directory.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/synapse/storage/user_directory.py b/synapse/storage/user_directory.py
index 5d402189e8..745e6f26ec 100644
--- a/synapse/storage/user_directory.py
+++ b/synapse/storage/user_directory.py
@@ -393,7 +393,7 @@ class UserDirectoryStore(BackgroundUpdateStore):
                         txn,
                         "users_in_public_rooms",
                         keyvalues={"user_id": user_id},
-                        values=None,
+                        values={},
                     )
 
             for user_id, other_user_id in user_id_tuples:
-- 
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