___________________________ test_numcodecs[lzma-rgb] ___________________________

codec = 'lzma', photometric = 'rgb'

    @pytest.mark.skipif(SKIP_NUMCODECS, reason='zarr or numcodecs missing')
    @pytest.mark.parametrize('photometric', ['gray', 'rgb'])
    @pytest.mark.parametrize(
        'codec',
        [...],
    )
    def test_numcodecs(codec, photometric):
        """Test numcodecs though roundtrips."""
        data = numpy.load(datafiles('rgb.u1.npy'))
        data = numpy.stack([data, data])
        if photometric == 'rgb':
            shape = data.shape
            chunks = (1, 128, 128, 3)
            axis = -2
        else:
            data = data[:, :, 1].copy()
            shape = data.shape
            chunks = (1, 128, 128)
            axis = -1
    
        lossless = True
        # ...
        # Many switches on parameters
        # ...

        if 0:
            # use ZIP file on disk
            fname = f'test_{codec}.{photometric}.{data.dtype.str[1:]}.zarr.zip'
            store = zarr.ZipStore(fname, mode='w')
        else:
>           store = zarr.MemoryStore()
E           AttributeError: module 'zarr' has no attribute 'MemoryStore'

tests/test_imagecodecs.py:3939: AttributeError