diff -r aa3c5b7a290e -r 6e9bfd51bc6f tests/run-tests.py
--- a/tests/run-tests.py	Thu Sep 19 15:29:04 2013 -0400
+++ b/tests/run-tests.py	Thu Sep 19 15:29:28 2013 -0400
@@ -1048,7 +1048,7 @@
     if _hgpath is not None:
         return _hgpath
 
-    cmd = '%s -c "import mercurial; print mercurial.__path__[0]"'
+    cmd = '%s -c "import mercurial; print (mercurial.__path__[0])"'
     pipe = os.popen(cmd % PYTHON)
     try:
         _hgpath = pipe.read().strip()