Get source here : https://pypi.org/project/python3-keybinder/#files

Assuming that the source is in /home/tc/Downloads,
cd /home/tc/Downloads
tar zxf python3-keybinder-1.1.2.tar.gz
cd python3-keybinder-1.1.2
python3 setup.py build
python3 setup.py install --root=/tmp/python3-keybinder-1.1.2
for i in $(sudo find . -not -type 'd' | grep "__pycache__")
do
sudo rm -rf "$i"
done
cd /tmp
mksquashfs python3-keybinder-1.1.2/ python3.6-keybinder.tcz
mv python3.6-keybinder.tcz /home/tc