Installing older version of eventlet solved the problem: pip install eventlet==0.30.2 EDIT: you can use the newer versions like this: pip install eventlet==0.33.0 https://github.com/benoitc/gunicorn/archive/refs/heads/master.zip#egg=gunicorn==20.1.0 see: https://github.com/benoitc/gunicorn/pull/2581#issuecomment-994198667 thank you @jmunsch
You definitely don’t want greenlet for this purpose, because it’s a low level library on top of which you can create light thread libraries (like Eventlet and Gevent). Eventlet, Gevent and more similar libraries provide excellent toolset for IO-bound tasks (waiting for read/write on file, network). Likely, most of your GUI code will wait for … Read more
You might want to check out: Comparing gevent to eventlet Reports from users who moved from twisted or eventlet to gevent Eventlet and gevent are not really comparable to Stackless, because Stackless ships with a standard library that is not aware of tasklets. There are implementations of socket for Stackless but there isn’t anything as … Read more
Your install is failing because you don’t have the python development headers installed. You can do this through apt on ubuntu/debian with: sudo apt-get install python-dev for python3 use: sudo apt-get install python3-dev For eventlet you might also need the libevent libraries installed so if you get an error talking about that you can install … Read more