The latest release version of tsfpga can be installed from PyPI with the command

python3 -m pip install tsfpga

Alternatively, you can clone the git repository if you want to use a development version. From the repo checkout you can install the Python package by running

python3 -m pip install .

in the repo root. You can also access it in your scripts by adding the repo path to the PYTHONPATH environment variable, or by modifying sys.path in your script.