how to install things before running # install python dev package (on Debian) apt-get install libpython3.7-dev # install python dependencies pip install numpy scipy matplotlib h5py sqlitedict mpmath cython # install stocproc package cd stocproc_pack python3 setup.py build_ext --inplace cd .. ln -s stocproc_pack/stocproc . # install fcSpline_pack cd fcSpline_pack python3 setup.py build_ext --inplace cd .. ln -s fcSpline_pack/fcSpline . # now you can run python3 run_Fulu.py