[Python-apps-team] backblaze-b2 is marked for autoremoval from testing

[Debian testing autoremoval watch]

backblaze-b2 1.3.8-4 is marked for autoremoval from testing on 2020-08-04

It (build-)depends on packages with these RC bugs:
963369: python-testfixtures: FTBFS: dh_auto_test: error: pybuild --test -i python{version} -p 3.8 returned exit code 13