diff --git a/contrib/perf.py b/contrib/perf.py
--- a/contrib/perf.py
+++ b/contrib/perf.py
@@ -149,7 +149,7 @@
     try:
         queue = pycompat.queue
     except (NameError, AttributeError, ImportError):
-        queue = util.queue
+        import Queue as queue
 
 try:
     from mercurial import logcmdutil