tar archives and using experiments as inputs

[siccegge]

ahoi

fwiw if you use an tar archive in an experiment (as input!) and use that experiment as input for a second experiment (A inputs TarArchive() ... B inputs A) running versuchung will fail:

the tar archive will try to initialize itself and find the canonical path of the tar file (which has no value and can't be given one when running B) so it gets None as canonical path and then calls a .startswith("/") on that