pytest --verbose --pyargs numpy 

=================================== FAILURES ===================================
__ TestMaskedArrayInPlaceArithmetics.test_inplace_floor_division_scalar_type ___

self = <numpy.ma.tests.test_core.TestMaskedArrayInPlaceArithmetics object at 0x11a5fb9d0>

    def test_inplace_floor_division_scalar_type(self):
        # Test of inplace division
        for t in self.othertypes:
            with warnings.catch_warnings(record=True) as w:
                warnings.filterwarnings("always")
                (x, y, xm) = (_.astype(t) for _ in self.uint8data)
                x = arange(10, dtype=t) * t(2)
                xm = arange(10, dtype=t) * t(2)
                xm[2] = masked
                x //= t(2)
                xm //= t(2)
                assert_equal(x, y)
                assert_equal(xm, y)
    
>               assert_equal(len(w), 0, "Failed on type=%s." % t)

../_test_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pla/lib/python3.9/site-packages/numpy/ma/tests/test_core.py:2833: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

actual = 4, desired = 0, err_msg = "Failed on type=<class 'numpy.complex64'>."

    def assert_equal(actual, desired, err_msg=''):
        """
        Asserts that two items are equal.
    
        """
        # Case #1: dictionary .....
        if isinstance(desired, dict):
            if not isinstance(actual, dict):
                raise AssertionError(repr(type(actual)))
            assert_equal(len(actual), len(desired), err_msg)
            for k, i in desired.items():
                if k not in actual:
                    raise AssertionError("%s not in %s" % (k, actual))
                assert_equal(actual[k], desired[k], 'key=%r\n%s' % (k, err_msg))
            return
        # Case #2: lists .....
        if isinstance(desired, (list, tuple)) and isinstance(actual, (list, tuple)):
            return _assert_equal_on_sequences(actual, desired, err_msg='')
        if not (isinstance(actual, ndarray) or isinstance(desired, ndarray)):
            msg = build_err_msg([actual, desired], err_msg,)
            if not desired == actual:
>               raise AssertionError(msg)
E               AssertionError: 
E               Items are not equal: Failed on type=<class 'numpy.complex64'>.
E                ACTUAL: 4
E                DESIRED: 0

../_test_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pla/lib/python3.9/site-packages/numpy/ma/testutils.py:129: AssertionError
___ TestMaskedArrayInPlaceArithmetics.test_inplace_floor_division_array_type ___

self = <numpy.ma.tests.test_core.TestMaskedArrayInPlaceArithmetics object at 0x11abc3df0>

    def test_inplace_floor_division_array_type(self):
        # Test of inplace division
        for t in self.othertypes:
            with warnings.catch_warnings(record=True) as w:
                warnings.filterwarnings("always")
                (x, y, xm) = (_.astype(t) for _ in self.uint8data)
                m = xm.mask
                a = arange(10, dtype=t)
                a[-1] = masked
                x //= a
                xm //= a
                assert_equal(x, y // a)
                assert_equal(xm, y // a)
                assert_equal(
                    xm.mask,
                    mask_or(mask_or(m, a.mask), (a == t(0)))
                )
    
>               assert_equal(len(w), 0, "Failed on type=%s." % t)

../_test_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pla/lib/python3.9/site-packages/numpy/ma/tests/test_core.py:2853: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

actual = 4, desired = 0, err_msg = "Failed on type=<class 'numpy.complex64'>."

    def assert_equal(actual, desired, err_msg=''):
        """
        Asserts that two items are equal.
    
        """
        # Case #1: dictionary .....
        if isinstance(desired, dict):
            if not isinstance(actual, dict):
                raise AssertionError(repr(type(actual)))
            assert_equal(len(actual), len(desired), err_msg)
            for k, i in desired.items():
                if k not in actual:
                    raise AssertionError("%s not in %s" % (k, actual))
                assert_equal(actual[k], desired[k], 'key=%r\n%s' % (k, err_msg))
            return
        # Case #2: lists .....
        if isinstance(desired, (list, tuple)) and isinstance(actual, (list, tuple)):
            return _assert_equal_on_sequences(actual, desired, err_msg='')
        if not (isinstance(actual, ndarray) or isinstance(desired, ndarray)):
            msg = build_err_msg([actual, desired], err_msg,)
            if not desired == actual:
>               raise AssertionError(msg)
E               AssertionError: 
E               Items are not equal: Failed on type=<class 'numpy.complex64'>.
E                ACTUAL: 4
E                DESIRED: 0

../_test_env_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_placehold_pla/lib/python3.9/site-packages/numpy/ma/testutils.py:129: AssertionError