def test_array_compare_scalar(self):
        """ issue3671: X != 0 becomes an arrayexpr with operator.ne.
            That is turned into a parfor by devectorizing.  Make sure
            the return type of the devectorized operator.ne
            on integer types works properly.
        """
        def test_impl():
            X = np.zeros(10, dtype=np.int_)
            return X != 0

        self.check(test_impl)
 issue3671: X != 0 becomes an arrayexpr with operator.ne.
            That is turned into a parfor by devectorizing.  Make sure
            the return type of the devectorized operator.ne
            on integer types works properly.
        
numba/tests/test_parfors.py