How to setup environment to create a new module

Thank you Luca.
I’m attempting to setup a virtual environment by following this - is it the best set of steps to follow?

When I try this command

trytond/bin/trytond-admin -d test_db -u ir res -v

I get (among other errors), this
UserWarning: Unable to create index with parameters
warnings.warn(‘Unable to create index with parameters’)

I was able to get the steps in
Create a virtual environment:
Install dependencies:
and
Test trytond server:
completed without error, however