[Debian-med-packaging] Bug#904317: python-biopython: FTBFS and test failure with Python3.7

[Graham Inggs]

Control: severity -1 serious
Control: tags -1 + ftbfs buster sid
Control: retitle -1 python-biopython: FTBFS and test failure with Python3.7

Hi Maintainer / Paul

This actually causes python-biopython to FTBFS with the same error
[1], so bumping severity and tagging accordingly.

Regards
Graham

[1] https://tests.reproducible-builds.org/debian/history/amd64/python-biopython.html