From 89d6df49d080d6cb27247f1818f7f1a98dca45ae Mon Sep 17 00:00:00 2001 From: Michael Graczyk Date: Fri, 22 Nov 2019 17:45:46 -0800 Subject: [PATCH] issue-25872: Fix KeyError using linecache from multiple threads --- Lib/linecache.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Lib/linecache.py b/Lib/linecache.py index 3afcce1f0a14566..6df293dc54928e3 100644 --- a/Lib/linecache.py +++ b/Lib/linecache.py @@ -73,10 +73,10 @@ def checkcache(filename=None): try: stat = os.stat(fullname) except OSError: - del cache[filename] + cache.pop(filename, None) continue if size != stat.st_size or mtime != stat.st_mtime: - del cache[filename] + cache.pop(filename, None) def updatecache(filename, module_globals=None):