pip install python-dubbo==0.0.3b10 安装成功，运行失败

Installed /usr/local/lib/python3.8/site-packages/python_dubbo-0.0.5-py3.8.egg
Processing dependencies for python-dubbo==0.0.5
Searching for kazoo==2.4.0
Best match: kazoo 2.4.0
Adding kazoo 2.4.0 to easy-install.pth file

Using /usr/local/lib/python3.8/site-packages
Searching for six==1.15.0
Best match: six 1.15.0
Adding six 1.15.0 to easy-install.pth file

Using /usr/local/lib/python3.8/site-packages
Finished processing dependencies for python-dubbo==0.0.5

运行提示：
from dubbo.client import DubboClient, ZkRegister
提示失败：ModuleNotFoundError: No module named 'dubbo.client'; 'dubbo' is not a package