Package: lintian please add a lintian error for packages dep/rec one of the python-is-* packages. The what-is-python source package builds four packages python-is-python2 python-dev-is-python2 python-is-python3 python-dev-is-python3 which should not be used as a build dependency, dependency or recommendation. Packages should always use the versioned form for one of the python interpreters.