This happens because /etc/os-release contains NAME="Ubuntu Kylin" and is_distro_package from packaging-apt-dpkg.py uses that as a part of checking if if the package is of "native" origin.
This happens because /etc/os-release contains NAME="Ubuntu Kylin" and is_distro_package from packaging- apt-dpkg. py uses that as a part of checking if if the package is of "native" origin.