From 41a64a53a30f2d81de7b4a05e5e8e9b4089f7ca7 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@haypocalc.com>
Date: Wed, 29 Sep 2010 01:30:45 +0000
Subject: linecache.updatecache(): don't the lines into the cache on IOError

Use the same behaviour than Python 2.7.
---
 Lib/linecache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/linecache.py b/Lib/linecache.py
index f0bb83d..974b1d9 100644
--- a/Lib/linecache.py
+++ b/Lib/linecache.py
@@ -128,7 +128,7 @@ def updatecache(filename, module_globals=None):
         with open(fullname, 'r', encoding=coding) as fp:
             lines = fp.readlines()
     except IOError:
-        lines = []
+        return []
     if lines and not lines[-1].endswith('\n'):
         lines[-1] += '\n'
     size, mtime = stat.st_size, stat.st_mtime
-- 
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