From e1b02e045921b60be0997c133033ecd21d642e89 Mon Sep 17 00:00:00 2001
From: Terry Jan Reedy <tjreedy@udel.edu>
Date: Sat, 21 Nov 2015 00:05:03 -0500
Subject: Issue 15348: Stop debugger engine (normally in user process) before
 closing debugger window in IDLE process.

---
 Lib/idlelib/Debugger.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Lib/idlelib/Debugger.py b/Lib/idlelib/Debugger.py
index d86c79c..250422e 100644
--- a/Lib/idlelib/Debugger.py
+++ b/Lib/idlelib/Debugger.py
@@ -19,7 +19,7 @@ class Idb(bdb.Bdb):
         message = self.__frame2message(frame)
         try:
             self.gui.interaction(message, frame)
-        except (TclError, RuntimeError):
+        except TclError:  # When closing debugger window with [x] in 3.x
             pass
 
     def user_exception(self, frame, info):
@@ -105,10 +105,13 @@ class Debugger:
             self.interacting = 0
 
     def close(self, event=None):
+        try:
+            self.quit()
+        except Exception:
+            pass
         if self.interacting:
             self.top.bell()
             return
-        self.abort_loop()
         if self.stackviewer:
             self.stackviewer.close(); self.stackviewer = None
         # Clean up pyshell if user clicked debugger control close widget.
-- 
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