commit 09c482fad11c769be38b2449f1056e264b701bb7
author Batuhan Taşkaya <47358913+isidentical@users.noreply.github.com> Mon Dec 30 19:08:08 2019 +0300
committer Ivan Levkivskyi <levkivskyi@gmail.com> Mon Dec 30 16:08:08 2019 +0000
tree 02da3aca6aa3c39e08d20b1f9417af7cb42bfed0
parent 4dc5a9df59837446ec1dc5b7a0e6ce95ae5b5cec

bpo-39019: Implement missing __class_getitem__ for SpooledTemporaryFile (GH-17560)

Lib/test/test_tempfile.py

diff --git a/Lib/test/test_tempfile.py b/Lib/test/test_tempfile.py
index 232c5da..5fe9506 100644
--- a/Lib/test/test_tempfile.py
+++ b/Lib/test/test_tempfile.py
@@ -1229,6 +1229,9 @@
         self.assertTrue(f._rolled)
         self.assertEqual(os.fstat(f.fileno()).st_size, 20)
 
+    def test_class_getitem(self):
+        self.assertIs(tempfile.SpooledTemporaryFile[bytes],
+                      tempfile.SpooledTemporaryFile)
 
 if tempfile.NamedTemporaryFile is not tempfile.TemporaryFile: