Ralf

I think everything should be correct. `initial_check_point` will be empty if topic doesn't exists (for example after upgrade). In the first if statement (here: https://github.com/logicalclocks/feature-store-api/blame/25cfcd57ad792a3b6a732570943692c49b406fbc/python/hsfs/engine/python.py#L1016) we always run materialization job...

@SirOibaf I also change the `skip_offset` parameter name to `use_current_offsets` as i think its more descriptive.