From eb0abce2f8d65c097124d05a4f79b6acd6391fa1 Mon Sep 17 00:00:00 2001
From: Andrew Svetlov <andrew.svetlov@gmail.com>
Date: Mon, 3 Dec 2012 16:13:07 +0200
Subject: Issue #16583: Prevent nesting SystemExit in tkinter.CallWrapper

---
 Lib/tkinter/__init__.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Lib/tkinter/__init__.py b/Lib/tkinter/__init__.py
index de85bf9..643026e 100644
--- a/Lib/tkinter/__init__.py
+++ b/Lib/tkinter/__init__.py
@@ -1421,8 +1421,8 @@ class CallWrapper:
             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()
 
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