output of GIX_envtest.py from the upstream GIXdemo repo
 ```
 Python version: 3.8.11 (default, Aug 16 2021, 12:04:33) 
 [Clang 12.0.0 ]
 Numpy version: 1.19.5
 ```

 output of GIX_envtest.py from from this repo
 ```
 Python version: 3.8.12 | packaged by conda-forge | (default, Jan 30 2022, 23:13:55) 
 [Clang 11.1.0 ]
 Numpy version: 1.19.2
 ```