Yes. Thanks again for the support, Tam !

Alright, let me close this issues than, I don't think we need backports for older versions. Reopen otherwise!

Forcing a lower version of numpy works. I do not get the error message anymore.

alright!

I think it is, people who might try to do stuff with hdf5 files with the new file versions won't be able to access the information stored in the cu...

Is this still relevant? 😉

Or you go for Python 3.10 and install the latest km3pipe version ;)

In this case, you probably need to force downgrade of numpy with...

Thanks @tgal for recalling me (again and again) the best practice in terms of python package installation. I did create and use a dedicated virtual...