Postgres database URI not working on heroku after deployment. used subprocess.getoutput() method. But it neatly works on local..And Its a Flask App

 import subprocess as sp   app.config['SQLALCHEMY_DATABASE_URI'] =sp.getoutput('heroku config:get DATABASE_URL -a My-heroku-dbApp MyUIapp')  

Above is the code which been using to fetch connection string from heroku postgress App

https://stackoverflow.com/questions/66020258/postgres-database-uri-not-working-on-heroku-after-deployment-used-subprocess-ge February 03, 2021 at 10:05AM