How to use the pint.compat.np.asarray function in Pint

def qless(self):
        return np.asarray([1, 2, 3, 4], dtype=np.uint8) * self.ureg.dimensionless

def q1(self):
        return np.asarray([1, 2, 3, 4], dtype=np.uint8) * self.ureg.J

def qm(self):
        return np.asarray([1, 2, 3, 4], dtype=np.uint8) * self.ureg.m

def test_issue74(self):
        ureg = UnitRegistry()
        v1 = np.asarray([1., 2., 3.])
        v2 = np.asarray([3., 2., 1.])
        q1 = v1 * ureg.ms
        q2 = v2 * ureg.ms

        np.testing.assert_array_equal(q1 < q2, v1 < v2)
        np.testing.assert_array_equal(q1 > q2, v1 > v2)

        np.testing.assert_array_equal(q1 <= q2, v1 <= v2)
        np.testing.assert_array_equal(q1 >= q2, v1 >= v2)

        q2s = np.asarray([0.003, 0.002, 0.001]) * ureg.s
        v2s = q2s.to('ms').magnitude

        np.testing.assert_array_equal(q1 < q2s, v1 < v2s)
        np.testing.assert_array_equal(q1 > q2s, v1 > v2s)

def qm(self):
        return np.asarray([1., 2., 3., 4.]) * self.ureg.m

def qm(self):
        return np.asarray([1., 2., 3., 4.]) * self.ureg.m

def test_issue75(self):
        ureg = UnitRegistry()
        v1 = np.asarray([1., 2., 3.])
        v2 = np.asarray([3., 2., 1.])
        q1 = v1 * ureg.ms
        q2 = v2 * ureg.ms

        np.testing.assert_array_equal(q1 == q2, v1 == v2)
        np.testing.assert_array_equal(q1 != q2, v1 != v2)

        q2s = np.asarray([0.003, 0.002, 0.001]) * ureg.s
        v2s = q2s.to('ms').magnitude

        np.testing.assert_array_equal(q1 == q2s, v1 == v2s)
        np.testing.assert_array_equal(q1 != q2s, v1 != v2s)

def test_issue74(self):
        ureg = UnitRegistry()
        v1 = np.asarray([1., 2., 3.])
        v2 = np.asarray([3., 2., 1.])
        q1 = v1 * ureg.ms
        q2 = v2 * ureg.ms

        np.testing.assert_array_equal(q1 < q2, v1 < v2)
        np.testing.assert_array_equal(q1 > q2, v1 > v2)

        np.testing.assert_array_equal(q1 <= q2, v1 <= v2)
        np.testing.assert_array_equal(q1 >= q2, v1 >= v2)

        q2s = np.asarray([0.003, 0.002, 0.001]) * ureg.s
        v2s = q2s.to('ms').magnitude

        np.testing.assert_array_equal(q1 < q2s, v1 < v2s)
        np.testing.assert_array_equal(q1 > q2s, v1 > v2s)

        np.testing.assert_array_equal(q1 <= q2s, v1 <= v2s)
        np.testing.assert_array_equal(q1 >= q2s, v1 >= v2s)

def test_power(self):
        """This is not supported as different elements might end up with different units

        eg. ([1, 1] * m) ** [2, 3]

        Must force exponent to single value
        """
        self._test2(np.power, self.q1,
                    (self.qless, np.asarray([1., 2, 3, 4])),
                    (self.q2, ),)

def test_issue74(self):
        v1 = np.asarray([1.0, 2.0, 3.0])
        v2 = np.asarray([3.0, 2.0, 1.0])
        q1 = v1 * ureg.ms
        q2 = v2 * ureg.ms

        np.testing.assert_array_equal(q1 < q2, v1 < v2)
        np.testing.assert_array_equal(q1 > q2, v1 > v2)

        np.testing.assert_array_equal(q1 <= q2, v1 <= v2)
        np.testing.assert_array_equal(q1 >= q2, v1 >= v2)

        q2s = np.asarray([0.003, 0.002, 0.001]) * ureg.s
        v2s = q2s.to("ms").magnitude

        np.testing.assert_array_equal(q1 < q2s, v1 < v2s)
        np.testing.assert_array_equal(q1 > q2s, v1 > v2s)

        np.testing.assert_array_equal(q1 <= q2s, v1 <= v2s)
        np.testing.assert_array_equal(q1 >= q2s, v1 >= v2s)