Fix venv setup for UNIX

[andreamah]

Description:

Venv flow is not working on UNIX 😔😔😔😔. It's because I forgot that python.exe on UNIX was just called python :0. Here's the fix!

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

Limitations:

Testing:

Checklist:

• My code follows the style guidelines of this project
• My code has been formatted with npm run format and passes the checks in npm run check
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

[isadorasophia]

👍