因为0.1.18的requests中有个依赖有问题(https://github.com/Yelp/elastalert/issues/1276)故降级到0.1.17，等待官方修复后再升级
因为0.1.18的requests中有个依赖有问题(https://github.com/Yelp/elastalert/issues/1276)故降级到0.1.17，等待官方修复后再升级

anjia0532/elastalert-wechat-plugin,anjia0532/elastalert-wechat-plugin