From 5807582fd35cefc654ab81373f2d8bd660552464 Mon Sep 17 00:00:00 2001
From: elie <elie>
Date: Fri, 30 Jan 2015 22:22:12 +0000
Subject: ignore expired entries in expire()

---
 pysnmp/proto/cache.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pysnmp/proto/cache.py b/pysnmp/proto/cache.py
index f4bb6b3..6efba88 100644
--- a/pysnmp/proto/cache.py
+++ b/pysnmp/proto/cache.py
@@ -27,5 +27,6 @@ class Cache:
         for index, cachedParams in list(self.__cacheRepository.items()):
             if cbFun:
                 if cbFun(index, cachedParams, cbCtx):
-                    del self.__cacheRepository[index]                    
+                    if index in self.__cacheRepository:
+                        del self.__cacheRepository[index]                    
 
-- 
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