0x26res commented on issue #38647:
URL: https://github.com/apache/arrow/issues/38647#issuecomment-1855539890

   Thanks for the detailed answer @jorisvandenbossche 
   
   I'm wondering what can we we do about it. If effectively `types_mapper` is 
for extension dtypes only than probably nothing. Excepted possibly a better 
error message.
   
   For context, this issue isn't a blocker for me. I was just trying to avoid 
having to call `.to_pandas(date_as_object=False, 
coerce_temporal_nanoseconds=True)` since upgrading from pyarrow==12 to 
pyarrow==13. But it's only in the interim since eventually I'd like to use 
`types_mapper=pd.ArrowDtype` (but this requires some work on my code base and a 
few bug fixes in pandas)
   


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