From ff2d7551c738ea6138b7bcd245620d91e80841cf Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 1 Mar 2016 10:59:17 +0000
Subject: [PATCH] Correct cache miss detection

---
 synapse/util/caches/expiringcache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/synapse/util/caches/expiringcache.py b/synapse/util/caches/expiringcache.py
index 138cbefff4..55ba1c08c0 100644
--- a/synapse/util/caches/expiringcache.py
+++ b/synapse/util/caches/expiringcache.py
@@ -79,7 +79,7 @@ class ExpiringCache(object):
         try:
             entry = self._cache[key]
             cache_counter.inc_hits(self._cache_name)
-        finally:
+        except KeyError:
             cache_counter.inc_misses(self._cache_name)
 
         if self._reset_expiry_on_get:
-- 
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