def test_invalid_scalar_index(adata, index):
    # https://github.com/theislab/anndata/issues/619
    with pytest.raises(IndexError, match=r".*index.* out of range\."):
        _ = adata[index]
def test_ccode_Piecewise():
    p = ccode(Piecewise((x, x < 1), (x**2, True)))
    s = \