[Debian-med-packaging] python-treetime is marked for autoremoval from testing

[Debian testing autoremoval watch]

python-treetime 0.0+20170607-1 is marked for autoremoval from testing on 2018-01-26

It (build-)depends on packages with these RC bugs:
866446: openpyxl: depends on obsolete python-imaging (replace with python3-pil or python-pil)
884294: pandas: pandas FTBFS: test failure