mercurial/worker.py

--- a/mercurial/worker.py	Fri Aug 15 04:37:45 2014 +0200
+++ b/mercurial/worker.py	Fri Aug 15 16:20:47 2014 +0200
@@ -105,7 +105,7 @@
                 if err.errno != errno.ESRCH:
                     raise
     def waitforworkers():
-        for _ in pids:
+        for _pid in pids:
             st = _exitstatus(os.wait()[1])
             if st and not problem[0]:
                 problem[0] = st