fix possible error

dannykliu · Aug 19, 2008 · ec99568 · ec99568
1 parent fa1e21c
commit ec99568
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
@@ -329,7 +329,10 @@ def check(_, w, msg):
 
         t = threading.Thread()
         with catch_warning() as w:
-            del threading.__warningregistry__
+            try:
+                del threading.__warningregistry__
+            except AttributeError:
+                pass
             msg = "isDaemon() is deprecated in favor of the " \
                   "Thread.daemon property"
             check(t.isDaemon(), w, msg)