diff --git a/tests/test-url.py b/tests/test-url.py
--- a/tests/test-url.py
+++ b/tests/test-url.py
@@ -392,7 +392,7 @@
     >>> try:
     ...   u = url(b'file://mercurial-scm.org/foo')
     ... except error.Abort as e:
-    ...   e.message
+    ...   pycompat.bytestr(e.message)
     'file:// URLs can only refer to localhost'
 
     Empty URL: