gh-93096: Load doctests in `test_itertools` (#131133)

diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index f0fd1d28f56f55afce3259fd36e1450fdbe76f27..61bea9dba07fec6807188cd1f067126190af1ff2 100644 (file)
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -1,5 +1,6 @@
 import doctest
 import unittest
+import itertools
 from test import support
 from test.support import threading_helper, script_helper
 from itertools import *
@@ -2531,7 +2532,7 @@ class SizeofTest(unittest.TestCase):
 
 
 def load_tests(loader, tests, pattern):
-    tests.addTest(doctest.DocTestSuite())
+    tests.addTest(doctest.DocTestSuite(itertools))
     return tests