[Debian-med-packaging] metaphlan2 is marked for autoremoval from testing

[Debian testing autoremoval watch]

metaphlan2 2.7.5-1 is marked for autoremoval from testing on 2018-06-04

It (build-)depends on packages with these RC bugs:
896629: python-biom-format: FTBFS with sphinx 1.7.2: exception: cannot import name 'Directive'