issue_comments: 649836609

Also in my local environment, it gives AttributeError: 'memoryview' object has no attribute 'dtype'

The full stack trace is ``` _________ test_interpolate_1d[1-y-cubic] ____________

method = 'cubic', dim = 'y', case = 1

@pytest.mark.parametrize("method", ["linear", "cubic"])
@pytest.mark.parametrize("dim", ["x", "y"])
@pytest.mark.parametrize("case", [0, 1])
def test_interpolate_1d(method, dim, case):
    if not has_scipy:
        pytest.skip("scipy is not installed.")

    if not has_dask and case in [1]:
        pytest.skip("dask is not installed in the environment.")

    da = get_example_data(case)
    xdest = np.linspace(0.0, 0.9, 80)

    actual = da.interp(method=method, **{dim: xdest})

    # scipy interpolation for the reference
    def func(obj, new_x):
        return scipy.interpolate.interp1d(
            da[dim],
            obj.data,
            axis=obj.get_axis_num(dim),
            bounds_error=False,
            fill_value=np.nan,
            kind=method,
        )(new_x)

    if dim == "x":
        coords = {"x": xdest, "y": da["y"], "x2": ("x", func(da["x2"], xdest))}
    else:  # y
        coords = {"x": da["x"], "y": xdest, "x2": da["x2"]}

    expected = xr.DataArray(func(da, xdest), dims=["x", "y"], coords=coords)

  assert_allclose(actual, expected)

xarray/tests/test_interp.py:86:

xarray/testing.py:132: in compat_variable return a.dims == b.dims and (a._data is b._data or equiv(a.data, b.data)) xarray/testing.py:31: in _data_allclose_or_equiv return duck_array_ops.allclose_or_equiv(arr1, arr2, rtol=rtol, atol=atol) xarray/core/duck_array_ops.py:221: in allclose_or_equiv arr1 = np.array(arr1) ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/array/core.py:1314: in array x = self.compute() ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/base.py:165: in compute (result,) = compute(self, traverse=False, kwargs) ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/base.py:436: in compute results = schedule(dsk, keys, kwargs) ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/local.py:527: in get_sync return get_async(apply_sync, 1, dsk, keys, kwargs) ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/local.py:494: in get_async fire_task() ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/local.py:466: in fire_task callback=queue.put, ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/local.py:516: in apply_sync res = func(*args, kwds) ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/local.py:227: in execute_task result = pack_exception(e, dumps) ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/local.py:222: in execute_task result = _execute_task(task, data) ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/core.py:119: in _execute_task return func(args2) ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/optimization.py:982: in call return core.get(self.dsk, self.outkey, dict(zip(self.inkeys, args))) ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/core.py:149: in get result = _execute_task(task, cache) ../../../anaconda3/envs/xarray/lib/python3.7/site-packages/dask/core.py:119: in _execute_task return func(args2) xarray/core/missing.py:830: in _dask_aware_interpnd return _interpnd(var, old_x, new_x, func, kwargs) xarray/core/missing.py:793: in _interpnd x, new_x = _floatize_x(x, new_x) xarray/core/missing.py:577: in _floatize_x if _contains_datetime_like_objects(x[i]): xarray/core/common.py:1595: in _contains_datetime_like_objects return is_np_datetime_like(var.dtype) or contains_cftime_datetimes(var) xarray/core/common.py:1588: in contains_cftime_datetimes return _contains_cftime_datetimes(var.data)

array = <memory at 0x7f771d6daef0>

def _contains_cftime_datetimes(array) -> bool:
    """Check if an array contains cftime.datetime objects
    """
    try:
        from cftime import datetime as cftime_datetime
    except ImportError:
        return False
    else:

      if array.dtype == np.dtype("O") and array.size > 0:

E AttributeError: 'memoryview' object has no attribute 'dtype'

xarray/core/common.py:1574: AttributeError ```