Handle pyarrow-backed columns in pandas 2 DataFrames #3128
Merged
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closes #3127
pandas 2.0 introduced optional pyarrow dtype integration (See https://pandas.pydata.org/docs/user_guide/pyarrow.html). Altair's DataFrame sanitization logic was broken in two ways for these DataFrames.
np.issubdtype
function raises an exception when passed a pyarrow dtype (rather than just returnFalse
).This PR adds a previously failing test case and handles these two issues.