demo.py should be run from the directory above "pycha"
you'll want to:
apt-get install libffi-dev libcairo-dev
pip install cffi cairocffi
"a reasonably-fast non-interactive friendly-to-hack backend plotting library"
demo.py should be run from the directory above "pycha"
you'll want to:
apt-get install libffi-dev libcairo-dev
pip install cffi cairocffi
"a reasonably-fast non-interactive friendly-to-hack backend plotting library"