This fixes version detection for strict_rfc3339-0.7-py2.7.egg :

    def test_namever(url, nameok, verok):
>       assert nxdbom.namever(url) == (nameok, verok)
E       AssertionError: assert ('strict', 'rfc3339-0.7') == ('strict_rfc3339', '0.7')
E         At index 0 diff: 'strict' != 'strict_rfc3339'
E         Full diff:
E         - ('strict_rfc3339', '0.7')
E         ?         ^       ^^^^
E         + ('strict', 'rfc3339-0.7')
E         ?         ^^^^       ^