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

[Debian testing autoremoval watch]

cwltool 3.0.20200324120055+dfsg-1 is marked for autoremoval from testing on 2020-06-16

It (build-)depends on packages with these RC bugs:
959597: python-schema-salad: FTBFS: dh_auto_test: error: pybuild --test -i python{version} -p 3.8 returned exit code 13