Fixed #26443 -- Corrected timezone.now in MigrationQuestioner prompt

    def _ask_default(self):

        print("Please enter the default value now, as valid Python")

        print("The datetime and django.utils.timezone modules are available, so you can do e.g. timezone.now()")

        print("The datetime and django.utils.timezone modules are available, so you can do e.g. timezone.now")

        while True:

            if six.PY3:

                # Six does not correctly abstract over the fact that