Trying to install a conda env with python=3.8/3.8.8/3.7/3.6, all got python version 3.9.7. But installing python with higher versions gets the correct one. Upgrading python leads to the correct, ...

while i am trying to install natten with code:pip install natten, it is keeping said: Building wheel for natten (setup.py) ... error error: subprocess-exited-with ...