bpo-30642: IDLE: Fix test_query refleak (#2147) (#2161)

Patch by Louie Lu.
(cherry picked from commit b070fd275b68df5c5ba9f6f43197b8d7066f0b18)

diff --git a/Lib/idlelib/idle_test/test_query.py b/Lib/idlelib/idle_test/test_query.py
index 66af8eb85b2598916fb3a46c1e464f61565dfef2..1210afe70df956c38ccf9f6105d993f2da818082 100644 (file)
--- a/Lib/idlelib/idle_test/test_query.py
+++ b/Lib/idlelib/idle_test/test_query.py
@@ -258,6 +258,7 @@ class QueryGuiTest(unittest.TestCase):
 
     @classmethod
     def tearDownClass(cls):
+        del cls.dialog.destroy
         del cls.dialog
         cls.root.destroy()
         del cls.root