bpo-41521: Replace whitelist/blacklist with allowlist/denylist (GH-21822)



Automerge-Triggered-By: @tiran
diff --git a/Lib/test/test_nntplib.py b/Lib/test/test_nntplib.py
index 1df64fa..b11c19c 100644
--- a/Lib/test/test_nntplib.py
+++ b/Lib/test/test_nntplib.py
@@ -197,11 +197,11 @@
         self.assertTrue(resp.startswith("220 "), resp)
         self.check_article_resp(resp, article, art_num)
         # Tolerate running the tests from behind a NNTP virus checker
-        blacklist = lambda line: line.startswith(b'X-Antivirus')
+        denylist = lambda line: line.startswith(b'X-Antivirus')
         filtered_head_lines = [line for line in head.lines
-                               if not blacklist(line)]
+                               if not denylist(line)]
         filtered_lines = [line for line in article.lines
-                          if not blacklist(line)]
+                          if not denylist(line)]
         self.assertEqual(filtered_lines, filtered_head_lines + [b''] + body.lines)
 
     def test_capabilities(self):