Get the source here : https://sourceforge.net/projects/docutils/files/docutils/0.16/docutils-0.16.tar.gz/download

Assuming source is in /home/tc,
cd /home/tc
tar xvf docutils-0.16.tar.gz
python3.6 setup.py build
sudo python3.6 setup.py install --root=/tmp/docutils
cd /tmp/docutils
for i in $(sudo find . -not -type d | grep "__pycache__")
do
rm -rf "$i"
done
(Seperate the locale files and doc files)
cd /tmp
sudo mksquashfs docutils python3.6-docutils.tcz