我在example_rules文件夹下运行示例规则，并且总是收到此错误：
load_entry_point('elastalert==0.0.91', 'console_scripts', 'elastalert-test-rule')()
File "/usr/local/lib/python2.7/dist-packages/elastalert-0.0.91-py2.7.egg/elastalert/test_rule.py", line 287, in main
test_instance.run_rule_test()
File "/usr/local/lib/python2.7/dist-packages/elastalert-0.0.91-py2.7.egg/elastalert/test_rule.py", line 275, in run_rule_test
hits = self.test_file(copy.deepcopy(rule_yaml), args)
File "/usr/local/lib/python2.7/dist-packages/elastalert-0.0.91-py2.7.egg/elastalert/test_rule.py", line 54, in test_file
es_client = ElastAlerter.new_elasticsearch(es_config)
File "/usr/local/lib/python2.7/dist-packages/elastalert-0.0.91-py2.7.egg/elastalert/elastalert.py", line 143, in new_elasticsearch
send_get_body_as=es_conn_conf['send_get_body_as'])
File "/usr/local/lib/python2.7/dist-packages/elasticsearch/client/__init__.py", line 150, in __init__
self.transport = transport_class(_normalize_hosts(hosts), **kwargs)
File "/usr/local/lib/python2.7/dist-packages/elasticsearch/transport.py", line 113, in __init__
self.set_connections(hosts)
File "/usr/local/lib/python2.7/dist-packages/elasticsearch/transport.py", line 166, in set_connections
connections = map(_create_connection, hosts)
File "/usr/local/lib/python2.7/dist-packages/elasticsearch/transport.py", line 165, in _create_connection
return self.connection_class(**kwargs)
File "/usr/local/lib/python2.7/dist- packages/elasticsearch/connection/http_requests.py", line 40, in __init__
host, port, self.url_prefix
TypeError: %d format: a number is required, not NoneType
Elastalert 配置：
es_host: localhost es_port: 9200 use_ssl: False name: "Provider slow response" type: 尖峰索引: filebeat* threshold_cur: 2 时间范围: 分钟: 10 尖峰高度: 1尖峰类型: "up" 过滤器: - 查询: query_string: 查询: "_type ：nginxlog”警报：-“电子邮件”
电子邮件： - me@mail.com
有什么帮助吗？