`'/usr/local/lib/python3.5/dist-packages/', '/usr/lib/python3.5/dist-packages']

sudo pip3 install --upgrade --target=/usr/local/lib/python3.5/dist-packages/ pypi
sudo pip3 install --upgrade --target=/usr/lib/python3.5/dist-packages pypi

Collecting pypi
Installing collected packages: pypi
Successfully installed pypi-2.1

ls -lh /usr/lib/python3.5/dist-packages | grep pypi
drwxr-xr-x 2 root root 4.0K Apr 25 11:03 pypi-2.1.dist-info
drwxr-xr-x 2 root root 4.0K Apr 25 10:49 pypi-2.1-py3.5.egg-info

python3.5 ./setup.py install
running install
running build
running install_egg_info
Writing /usr/local/lib/python3.5/dist-packages/pypi-2.1.egg-info

import sys
print(sys.path)
import pypi

$ python3.5 myscrypt.py
[..., '/usr/local/lib/python3.5/dist-packages','/usr/lib/python3.5/dist-packages']
import pypi
ImportError: No module named 'pypi'