Update Lib/linecache.py

graingert · Dec 4, 2024 · ba0cc8d · ba0cc8d
1 parent b98e7ed
commit ba0cc8d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Lib/linecache.py b/Lib/linecache.py
@@ -49,6 +49,7 @@ def checkcache(filename=None):
     (This is not checked upon each call!)"""
 
     if filename is None:
+        # get keys atomically
         filenames = cache.copy().keys()
     else:
         filenames = [filename]