human
Complete the below
def filter_factory(global_conf, **local_conf):

    ''''paste.deploy app factory for creating WSGI proxy apps.'
    '''
assistant
#Here is the Python code you requested.
    conf = global_conf.copy()
    conf.update(local_conf)
    def limit_filter(app):
        return RateLimitMiddleware(app, conf)
    return limit_filter