Issue #16583: Prevent nesting SystemExit in tkinter.CallWrapper

asvetlov · asvetlov · commit eb0abce2f8d6 · 2012-12-03T16:13:07.000+02:00
diff --git a/Lib/tkinter/__init__.py b/Lib/tkinter/__init__.py
@@ -1421,8 +1421,8 @@ def __call__(self, *args):
             if self.subst:
                 args = self.subst(*args)
             return self.func(*args)
-        except SystemExit as msg:
-            raise SystemExit(msg)
+        except SystemExit:
+            raise
         except:
             self.widget._report_exception()
 
