Upgrade issues 3.2.6 -> 3.4.4 no such option: --no-use-pep517
Receiving the following trying to upgrade from 3.2.6 to 3.4.4.
sudo -u mayan /opt/mayan-edms/bin/pip install --no-use-pep517 psycopg2==2.8.4 redis==3.4.1
Usage: pip install [options] [package-index-options] ... pip install [options] -r [package-index-options] ... pip install [options] [-e] ... pip install [options] [-e] ... pip install [options] <archive url/path> ...
no such option: --no-use-pep517
Description: Ubuntu 18.04.2 LTS Release: 18.04 Codename: bionic
pip 9.0.1 from /opt/mayan-edms/local/lib/python3.6/site-packages (python 3.6)