--- a/contrib/perf.py	Thu Aug 16 04:50:32 2018 +0200
+++ b/contrib/perf.py	Sun Aug 19 21:53:41 2018 -0400
@@ -806,7 +806,7 @@
 
     path = ui.paths.getpath(dest, default=('default-push', 'default'))
     if not path:
-        raise error.abort(('default repository not configured!'),
+        raise error.Abort(('default repository not configured!'),
                          hint=("see 'hg help config.paths'"))
     dest = path.pushloc or path.loc
     branches = (path.branch, opts.get('branch') or [])