From 9db1d5a379769a75294f02b0ed59e88a9ac05d90 Mon Sep 17 00:00:00 2001
From: Brett Cannon <bcannon@gmail.com>
Date: Wed, 21 Nov 2007 00:58:03 +0000
Subject: [PATCH] Add a missing check before deleting a package's __loader__.

---
 Lib/test/test_doctest.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py
index e96785cb04..f53a7595af 100644
--- a/Lib/test/test_doctest.py
+++ b/Lib/test/test_doctest.py
@@ -1922,7 +1922,8 @@ def test_DocFileSuite():
          ...                                  package='test')
          ...     suite.run(unittest.TestResult())
          ... finally:
-         ...     del test.__loader__
+         ...     if added_loader:
+         ...         del test.__loader__
          <unittest.TestResult run=3 errors=0 failures=3>
 
        '/' should be used as a path separator.  It will be converted
-- 
2.50.1