[py3k] Fixed the index creation code that I committed a few minutes ago for py3k.

from django.conf import settings

from django.db.utils import load_backend

from django.utils.encoding import force_bytes

from django.utils.six.moves import input

# The prefix to put on the default database name when creating

        """

        h = hashlib.md5()

        for arg in args:

            h.update(arg)

            h.update(force_bytes(arg))

        return h.hexdigest()[:8]

    def sql_create_model(self, model, style, known_models=set()):