id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
21720	python manage.py test fails with empty test label	Preston Timmons	Preston Timmons	"The bug fix in #21206 introduced a new bug.

When python manage.py test is run without test labels the is_discoverable function raises a TypeError.

{{{
TypeError: relative imports require the 'package' argument
}}}

Test labels are set to ""."" when not specified.

This can be reproduced by running the tests with a new project from django-admin.py
"	Bug	closed	Testing framework	dev	Release blocker	fixed			Accepted	0	0	0	0	1	0