From 8fbb4d0d19031d8cd3742285fb9b36c3bdfc52a0 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 20 Feb 2018 17:59:23 +0000
Subject: [PATCH] Raise exception in abstract method

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

diff --git a/synapse/storage/receipts.py b/synapse/storage/receipts.py
index c2a6613a6..40530632c 100644
--- a/synapse/storage/receipts.py
+++ b/synapse/storage/receipts.py
@@ -52,7 +52,7 @@ class ReceiptsWorkerStore(SQLBaseStore):
         Returns:
             int
         """
-        pass
+        raise NotImplementedError()
 
     @cachedInlineCallbacks()
     def get_users_with_read_receipts_in_room(self, room_id):