Controlling bldc using python

Hello ,
I am trying to using odrive with bldc motor . I drew the bldc motor using command prompt , it successfully work . Now I am trying to controll bldc motor using python, I also found that code on github but the problem is that whenever I am trying to run the code but the errors are coming . E.g.,

Here is the link of code which I have used is

Did you install odrivetool? pip install odrive

Yes I having odrive already installed.