def remove(self, elem):
        """Remove a requirement.

        :param elem: a string or :class:`Requirement` instance.
        """
        if isinstance(elem, text_type):
            for requirement in self:
                if requirement.package == elem:
                    return super(Requirements, self).remove(requirement)
        return super(Requirements, self).remove(elem)
def banned_users():
    page = request.args.get("page", 1, type=int)
    search_form = UserSearchForm()

    users = User.query.filter(
        Group.banned == True,
        Group.id == User.primary_group_id
    ).paginate(page, flaskbb_config['USERS_PER_PAGE'], False)

    if search_form.validate():
        users = search_form.get_results().\
            paginate(page, flaskbb_config['USERS_PER_PAGE'], False)

        return render_template("management/banned_users.html", users=users,
                               search_form=search_form)

    return render_template("management/banned_users.html", users=users,
                           search_form=search_form)