Denis Barbier

IMHO this is the exact same problem as with `sort_index`; current code looks good, it seems natural to return a DataFrame with an index identical to `df[column_id]`. I do not...

@michetonu I could not find these changes in your repository, can you please tell which commits implement what you want? BTW I played with the solution discussed above and it...

@michetonu You wrote in a comment above > sadly the approach of passing a dictionary with the functions does not work, because the pickling that occurs during the multiprocessing cannot...

@michetonu Great, I will rebase this branch to main and submit a PR

While working on the PR I had another idea; in fact `_do_extraction_on_chunk` looks for functions in `tsfresh.feature_extraction.feature_calculators`, so I wondered if one could add their own functions to this package,...

No idea, I just checked and it works on Linux.

@nils-braun looks great, but I can only test on Linux; maybe you could run Github actions on MacOS and/or Windows?