[Python] pyarrow extension type is not converted to pandas properly in 13.0.0

[paleolimbot]

Describe the bug, including details regarding any error messages, version, and platform.

Initially documented here: geoarrow/geoarrow-c#47

The implementation of the extension type is here:

https://github.com/geoarrow/geoarrow-python/blob/main/geoarrow-pyarrow/src/geoarrow/pyarrow/_type.py#L77-L78

I wonder if it has to do with the fact that there are subclasses of the extension type? (i.e., maybe I need to copy that pandas dtype method to all the subclasses?)

Component(s)

Python

[paleolimbot]

Hmm...I tried adding the method to the subclasses but that didn't seem to do it. The PR where I'm trying to unpin the pyarrow dependency is here: geoarrow/geoarrow-python#25

[jorisvandenbossche]

Thanks for the context, will take a look!

[paleolimbot]

Sorry for the noise...I'd defined another @property id. Until recently, that value hadn't been inspected to check if something was an extension type!