Are the following two different definitions intentional? https://github.com/delta-io/delta-rs/blob/72125334888be26a87f370c49fdf097e3d708b4f/rust/src/operations/mod.rs#L45 https://github.com/delta-io/delta-rs/blob/72125334888be26a87f370c49fdf097e3d708b4f/python/deltalake/table.py#L38