Function into_pyarray_boxed_slice

tests/to_py.rs:120–126

()

#[test]
fn into_pyarray_boxed_slice() {
    Python::attach(|py| {
        let arr = vec![1, 2, 3].into_boxed_slice().into_pyarray(py);

        assert_eq!(arr.readonly().as_slice().unwrap(), &[1, 2, 3])
    });
}

#[test]
fn into_pyarray_array() {