diff -r ff72bd52d56a -r 9d2b2df2c2ba tests/test-hgweb-auth.py
--- a/tests/test-hgweb-auth.py	Fri Mar 06 10:52:44 2020 +0100
+++ b/tests/test-hgweb-auth.py	Fri Mar 06 13:27:41 2020 -0500
@@ -52,7 +52,7 @@
         for name in (b'.username', b'.password'):
             if (p + name) not in auth:
                 auth[p + name] = p
-    auth = dict((k, v) for k, v in auth.items() if v is not None)
+    auth = {k: v for k, v in auth.items() if v is not None}
 
     ui = writeauth(auth)