tests/test-lock.py

--- a/tests/test-lock.py	Mon Feb 08 00:47:36 2016 +0000
+++ b/tests/test-lock.py	Wed Feb 03 09:11:22 2016 +0000
@@ -28,7 +28,7 @@
         self._pidoffset = pidoffset
         super(lockwrapper, self).__init__(*args, **kwargs)
     def _getpid(self):
-        return os.getpid() + self._pidoffset
+        return super(lockwrapper, self)._getpid() + self._pidoffset
 
 class teststate(object):
     def __init__(self, testcase, dir, pidoffset=0):