You should require 'lxml>=2.1' and 'cssselect>0.7.9' to build this.
cssselect was installed from github sources at the time of creation and submission.

Get source from here : https://github.com/gawel/pyquery/
python3.6 setup.py build
sudo python3.6 setup.py install --root=/tmp/pyquery
cd /tmp/pyquery
sudo find . -not -type 'd' (Delete __pycache__ folders and files)
sudo mksquashfs pyquery/ python3.6-pyquery.tcz