Control: reassign -1 python3-software-properties
Control: tags -1 debian
Control: forwarded -1 https://bugs.debian.org/447701

Olaf,

On Sun, Feb 17, 2019 at 08:23:48PM +0900, Olaf Meeuwissen wrote:
> I think the easiest way to get out of this "mess" is to downgrade the
> dependency on unattended-upgrades from a Recommends: to a Suggests: in
> python3-software-properties.

This has now happened in Debian: see #447701.

Mark