Help to fixing error

Hello,

I'am trying to clone and setup your project in my environment, but it seem getting some error cause project is an older version. Please help me to solve it.
- when i install requirements.txt it told that something wrong wit gevent == 1.2.1 (my environment is higher) then i tried to trainning model then it said 
ModuleNotFoundError: No module named 'version'
Thank you and appreciated!