def failUnlessAlmostEqual(self, first, second, places=7, msg=None):
        self.startTest()
        if round(first-second, places) != 0:
            if not msg:
                msg=repr(first) + " != " + repr(second) + " within " + repr(places) + " places"
            return self.fail(msg)
dataset/ETHPy150Open anandology/pyjamas/examples/libtest/UnitTest.py/UnitTest.failUnlessAlmostEqual/swapped operands of `-`