def test_alt_empty(self):
        img = pq_img(self.p, '[[Image:test.jpg|alt=|my caption]]')

        eq_('', img.attr('alt'))
Image alt attribute can be empty.
dataset/ETHPy150Open mozilla/kitsune/kitsune/sumo/tests/test_parser.py/TestWikiImageTags.test_alt_empty