[Debian-med-packaging] Bug#937605: python-biom-format: Python2 removal in sid/bullseye - reopen 937605

[Sandro Tosi]

Control: reopen -1

This bug was closed, but the package has still some dependencies towards
Python2 packages, in details:

(source:python-biom-format)Build-Depends->cython

Re-opening, so that they can be taken care of.