def METHOD_NAME(self, fledge_url):
    conn = http.client.HTTPConnection(fledge_url)
    conn.request("GET", '/fledge/statistics')
    r = conn.getresponse()
    assert 200 == r.status
    r = r.read().decode()
    jdoc = json.loads(r)
    return utils.serialize_stats_map(jdoc)