Bug#938305: pyxdg: Python2 removal in sid/bullseye - reopen 938305

[Sandro Tosi]

Control: reopen -1

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

(source:pyxdg)Testsuite-Triggers->python-nose

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