Move Project Y to Current version of ATS and run using Flux on rzwhippet

[dawson6]

Background: Our next machines will use Flux as the scheduler. We need to move projects to the current version of ATS with Flux support. We can test this on rzwhippet today (modulo GPU tests).

Task: Identify a project and change the title of this issue.
Task: Identify all road blocks for the project which may include transitioning from Python 2 to Python 3 as part of the proces
Task: Get them over the barriers and ont othe latest ATS
Task: Verify they can run using Flux on rzwhippet.

[dawson6]

Reach out to Healy and determine the status of using the latest release of ATS with Flux on EAS3. There were some issues with atsr.py which need resolved last I heard.