@ -197,7 +197,7 @@ class LinuxPolicyTest(testlib.TestCase):
tf = tempfile.NamedTemporaryFile()
try:
before = self._get_cpus()
self.policy._set_cpu(3)
self.policy._set_cpu(None, 3)
my_cpu = self._get_cpus()
proc = mitogen.parent.popen(