Minor fix-up to get 3to2 to work with syntax errors being introduced.
Minor fix-up to get 3to2 to work with syntax errors being introduced.

gsnedders/html5lib-python,alex/html5lib-python,dstufft/html5lib-python,ordbogen/html5lib-python,ordbogen/html5lib-python,dstufft/html5lib-python,mgilson/html5lib-python,ordbogen/html5lib-python,alex/html5lib-python,dstufft/html5lib-python,html5lib/html5lib-python,alex/html5lib-python,gsnedders/html5lib-python,html5lib/html5lib-python,html5lib/html5lib-python,mgilson/html5lib-python,mindw/html5lib-python,mgilson/html5lib-python,mindw/html5lib-python,mindw/html5lib-python