def test_modify_uns_in_copy():
    # https://github.com/theislab/anndata/issues/571
    adata = ad.AnnData(np.ones((5, 5)), uns={"parent": {"key": "value"}})
    adata_copy = adata[:3].copy()
    adata_copy.uns["parent"]["key"] = "new_value"
    assert adata.uns["parent"]["key"] != adata_copy.uns["parent"]["key"]
def test_regex_good_input():
    cases = (
        '123',
        '1234567890',
        '00000',
    )

    num_only = inputs.regex(r'^[0-9]+$')

    for value in cases:
        yield assert_equal, num_only(value), value