this package seems to have new commits in its VCS but has
not yet updated debian/changelog. You should consider updating
the Debian changelog and uploading this new version into the archive.
Here are the relevant commit logs:
Author: Richard Laager <firstname.lastname@example.org>
Date: Sun Apr 26 10:15:01 2020 -0500
Drop ntpsec-ntpviz Suggests python
This was from when the ntploggps script used Python 2. This should have
been part of the "Switch to python3-gps" commit.