def convert(self, form):
if not is_lazy_user(form.instance):<EOL><INDENT>raise NotLazyError('<STR_LIT>')<EOL><DEDENT>user = form.save()<EOL>self.filter(user=user).delete()<EOL>converted.send(self, user=user)<EOL>return user<EOL>
Convert a lazy user to a non-lazy one. The form passed
        in is expected to be a ModelForm instance, bound to the user
        to be converted.

        The converted ``User`` object is returned.

        Raises a TypeError if the user is not lazy.