Clustering Assertion Error when cluster on `model_topology.include.reeds_ba`

Version Checks (indicate both or one)

• This bug exists on the master branch of PyPSA-USA.

• This bug exists on the develop branch of PyPSA-USA.

The Issue

Thanks for the followup, @ktehranchi! Maybe a silly question on the clustering options.

I see now, from the graphics and your example, that I should have put 7 as scenario.clusters when having model_topology.include.reeds_ba be ERCO. I had set it to 1. I guess I was expecting that if I had this set incorrectly for one of these asserts to be triggered? Am I missing something, or is this a bug?

https://github.com/PyPSA/pypsa-usa/blob/bdd1d76dcd6491a8b196f46233168c9eefa14771/workflow/scripts/cluster_network.py#L124-L126

https://github.com/PyPSA/pypsa-usa/blob/bdd1d76dcd6491a8b196f46233168c9eefa14771/workflow/scripts/cluster_network.py#L735-L737

Originally posted by @trevorb1 in #646

Steps To Reproduce

No response

Error Message

Anything else?

No response

Start with workflow/scripts/cluster_network.py at the linked lines 124-126 and 735-737. Reproduce clustering with model_topology.include.reeds_ba set to ERCO and scenario.clusters set to 1, then determine whether the assertions should catch this mismatch; done means the invalid configuration is handled consistently and clearly.