GrayWar

用两台机器分别拉取了容器下来，配置分别为阿里云轻量服务器ubuntu18.04.4和腾讯云服务器ubuntu18.04.1， `docker run -itd --name bayonet -p 5000:5000 missfeng/bayonet:v1.2` 我是讲端口映射放到5000的。 在容器内部执行`curl http://127.0.0.1`能够正常返回页面内容，但是在宿主机执行`curl http://127.0.0.1:5000`返回的则是`Empty reply from server`

[Parallel] Fix '_backend_args' attribute missing in ParallelExt initialization

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## 🐛 Bug Description An issue has been identified in the parallel processing module where the `'_backend_args'` attribute is missing. The specific error occurs at: ```python self._backend_args["maxtasksperchild"] = maxtasksperchild #...