Make __init__ consitstent across Store heirarchy

Add db_conn parameters to the `__init__` methods of the *Store classes, so that
they are all consistent, which makes the multiple inheritance work correctly
(and so that we can later extract mixins which can be used in the slavedstores)

1 files changed, 2 insertions, 2 deletions

diff --git a/synapse/storage/background_updates.py b/synapse/storage/background_updates.py
index a6e6f52a6a..6f235ac051 100644
--- a/synapse/storage/background_updates.py
+++ b/synapse/storage/background_updates.py
@@ -80,8 +80,8 @@ class BackgroundUpdateStore(SQLBaseStore):
     BACKGROUND_UPDATE_INTERVAL_MS = 1000
     BACKGROUND_UPDATE_DURATION_MS = 100
 
-    def __init__(self, hs):
-        super(BackgroundUpdateStore, self).__init__(hs)
+    def __init__(self, db_conn, hs):
+        super(BackgroundUpdateStore, self).__init__(db_conn, hs)
         self._background_update_performance = {}
         self._background_update_queue = []
         self._background_update_handlers = {}