def test_view_retains_ndarray_subclass():
    adata = ad.AnnData(np.zeros((10, 10)))
    adata.obsm["foo"] = np.zeros((10, 5)).view(NDArraySubclass)

    view = adata[:5, :]

    assert isinstance(view.obsm["foo"], NDArraySubclass)
    assert view.obsm["foo"].shape == (5, 5)
async def print_debug(loop):
    while True:
        print(chr(27) + "[2J")  # clear screen
        loop.print_debug_info()
        await asyncio.sleep(0.5)