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

[Debian testing autoremoval watch]

backblaze-b2 1.3.8-1 is marked for autoremoval from testing on 2019-03-11

It (build-)depends on packages with these RC bugs:
919974: yapf: Python 2 removal breaks build dependencies of other packages
920027: python3-persistent: ships headers in /usr/include/python3.7/
920029: python3-zope.proxy: ships header in /usr/include/python3.7/