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

[Debian testing autoremoval watch]

snakemake 5.17.0-1 is marked for autoremoval from testing on 2020-06-16

It (build-)depends on packages with these RC bugs:
959587: python-biopython: FTBFS: AssertionError: False is not true
959597: python-schema-salad: schema-salad FTBFS: python-rdflib-jsonld too new