The tag is present in Lintian version 2.113.26. That is the most recent version we know about.
We use semantic versions.
The patch number is a commit step indicator relative to the
release tag in our Git
You can find the detection logic for this version at commit 43a81d7. For merge requests, please use the latest version in the Lintian check testsuite.
The specified file appears to use
py3versions -s to
determine the "supported" Python versions without specifying
python3-all (or equivalent) as a test prerequisite.
With only the default version of Python installed, the autopkgtests may pass but the package subsequently fails at runtime when another, non-default, Python version is present.
python3-all as a test prerequisite via