Docker Image is picking python 2.7 instead of 3.7

I have a docker image and when I configure it like below it always picks python 2.7. How can I make it use python3??

The python interpreter path doesnt seem to change anything.

I am following these instructions mostly:

https://selectfrom.dev/local-development-setup-for-mwaa-with-pycharm-ea5f002aeb1

https://github.com/aws/aws-mwaa-local-runner