From 06c34bfbaee553b851e0f02d8e17d5bff7360376 Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 3 Feb 2015 11:23:44 +0000
Subject: [PATCH] Give exception better message

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

diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 322c1b407d..9d7557f578 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -1000,7 +1000,7 @@ class FederationHandler(BaseHandler):
             if reason is None:
                 # FIXME: ERRR?!
                 logger.warn("Could not find reason for %s", e.event_id)
-                raise RuntimeError("")
+                raise RuntimeError("Could not find reason for %s" % e.event_id)
 
             reason_map[e.event_id] = reason