Use `setattr` because direct assignment fails

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/storage/database.py b/synapse/storage/database.py

index 319c451856..1c1d76520f 100644
--- a/synapse/storage/database.py
+++ b/synapse/storage/database.py
@@ -107,7 +107,7 @@ def make_pool(
         with LoggingContext("db.on_new_connection"):
             # HACK Patch the connection's commit function so that we can see
             #      how long it's taking from Jaeger.
-            conn.commit = trace(conn.commit, "db.conn.commit")
+            setattr(conn, "commit", trace(conn.commit, "db.conn.commit"))
 
             engine.on_new_connection(
                 LoggingDatabaseConnection(conn, engine, "on_new_connection")