This gating in setup.py does not achieve much and probably ought to be
removed, but that will suffice for now.

Closes: #1092521

Closes: #1074741

Changes-By: lintian-brush

Fixes: lintian: upstream-metadata-file-is-missing
See-also: https://lintian.debian.org/tags/upstream-metadata-file-is-missing.html

Fixes: lintian: tab-in-license-text
See-also: https://lintian.debian.org/tags/tab-in-license-text.html