Installing app from github "ModuleNotFoundError''

Hello Everybody
tring to install app from github
first used this command
sudo bench get-app https://github.com/ESS-LLP/process-manufacturing.git
next:

sudo bench --site site1.local install-app process-manufacturing

got:

ModuleNotFoundError: No module named ‘process-manufacturing’

why?
Thanks in advance :slight_smile: