Issue #20743: Fix a reference leak in test_tcl.
diff --git a/Lib/test/test_tcl.py b/Lib/test/test_tcl.py
index a6e95e5..6fa73d1 100644
--- a/Lib/test/test_tcl.py
+++ b/Lib/test/test_tcl.py
@@ -386,6 +386,7 @@
result.append(arg)
return arg
self.interp.createcommand('testfunc', testfunc)
+ self.addCleanup(self.interp.tk.deletecommand, 'testfunc')
def check(value, expected, expected2=None, eq=self.assertEqual):
if expected2 is None:
expected2 = expected
diff --git a/Misc/NEWS b/Misc/NEWS
index 2593500..26c96c2 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -249,6 +249,8 @@
Tests
-----
+- Issue #20743: Fix a reference leak in test_tcl.
+
- Issue #20510: Rewrote test_exit in test_sys to match existing comments,
use modern unittest features, and use helpers from test.script_helper
instead of using subprocess directly. Initial patch by Gareth Rees.