quick create fails for python repo

[eleanorjboyd]

running "quick create environment" in the python extension repo fails to install packages

[eleanorjboyd]

there was just an error in parsing a requirements.txt so "user error" may want to surface the error better

[eleanorjboyd]

there is a nested pyproject.toml that has an error which causes it. This isn't an issue wit hthe extension