def stopServer():
    global http_servers
    for server in http_servers:
        log.info('Stopping HTTP server: %s' % str(server))
        server.shutdown()
        server = None
run polyphen on the cluster.
dataset/ETHPy150Open ProgVal/Limnoria/src/httpserver.py/stopServer--crossover with--dataset/ETHPy150Open CGATOxford/cgat/obsolete/pipeline_snps.py/buildPolyphenFeatures