Environment and installation

Grab miniconda3, install mamba in the base environment:

conda install -c conda-forge mamba

then create the bgcval environment and activate it:

mamba env create -n bgcval -f environment.yml
conda activate bgcval

then install the development dependencies:

pip install -e .[develop]

Python 2 to Python 3

Install 2to3:

pip install 2to3

Usage: use the 3.9 extension and write to disk option:

2to3-3.9 script.py -w

Remove the backup .py.bak files or stash them.