--- a/tests/test-mq.t	Sat Sep 15 00:24:05 2018 +0300
+++ b/tests/test-mq.t	Sat Sep 15 00:37:20 2018 +0300
@@ -1565,7 +1565,7 @@
   > from mercurial.hgweb import wsgicgi
   > import cgitb
   > cgitb.enable()
-  > app = hgweb('.', 'test')
+  > app = hgweb(b'.', b'test')
   > wsgicgi.launch(app)
   > HGWEB
   $ . "$TESTDIR/cgienv"