isort set to skip the first necessary "from common import *" line. A
better solution would be to get rid of the need of this import in the
future.
[no changelog]
Changes many fields to required -- as far as we were able to figure out,
signing would fail if these fields aren't provided anyway, so this
should not pose a compatibility problem.
Co-authored-by: matejcik <ja@matejcik.cz>
