def __str__(self):
    mocks = "\n".join(["%3d.  %s" % (i, m)
                       for i, m in enumerate(self._expected_mocks)])
    return (mocks,) % "Verify: Expected mocks never created:\n%s"
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/mox/mox.py/ExpectedMockCreationError.__str__/swapped operands of `%`