satpy is marked for autoremoval from testing

[Debian testing autoremoval watch]

satpy 0.20.0-1 is marked for autoremoval from testing on 2020-05-05

It (build-)depends on packages with these RC bugs:
954645: behave: FTBFS: dh_auto_test: error: pybuild --test --test-nose -i python{version} -p "3.7 3.8" returned exit code 13