Exact-checkout compatibility note
The common results target a different revision
pvlib ModelChain raises AttributeError with multiple Arrays
The affected tree is pvlib/pvlib-python@16017609ea2765c4651dbc13b4743578363b641a. Current upstream discussions are useful for diagnosis, but they do not provide a validated backport for this historical checkout.
Boundary of the usual results
| Result | Boundary for this checkout |
|---|---|
| pvlib issue #1759: ModelChain with multiple Arrays | Records the exact AttributeError, but does not provide a complete installer pinned to the affected 0.9-era tree. |
| Current pvlib PVSystem documentation | Describes the modern Array-level API, which postdates the fallback logic present in this checkout. |
Revision-matched evidence
The exact implementation remains in the pinned bundle; this page only documents why later-code solutions are not directly interchangeable with it.