BUG: OverflowError when fillna on DataFrame with a pd.Timestamp (#61208) #61216
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…d.Timestamp - Now correctly raises OutOfBoundsDatetime - Added test_fillna_out_of_bounds_datetime()
yuanx749
reviewed
Apr 2, 2025
yuanx749
approved these changes
Apr 3, 2025
rhshadrach
requested changes
Apr 12, 2025
rhshadrach
added
Bug
Missing-data
mroeschke
approved these changes
Apr 14, 2025
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Thanks @PedroM4rques |
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Now correctly raises OutOfBoundsDatetime
Added test_fillna_out_of_bounds_datetime()
closes BUG: OverflowError when fillna on DataFrame with a pd.Timestamp #61208
Tests added and passed if fixing a bug or adding a new feature
All code checks passed.
Added type annotations to new arguments/methods/functions. (does not apply)
Added an entry in the latest
doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.Fix for
fillnawith Out-of-Bounds Datetime ValuesIssue: Using
fillnaon adatetime64[ns]column with an out-of-bounds timestamp (e.g.,'0001-01-01') raised anAssertionErrorinstead of the expectedOutOfBoundsDatetime.Fix: Modified the
wheremethod inpandas/core/internals/blocks.pyto catch and re-raiseOutOfBoundsDatetimedirectly, preventing theAssertionError.Fix (
inplace=True): Modified theputmaskmethod inpandas/core/internals/blocks.pyto catch and re-raiseOutOfBoundsDatetimedirectly, preventing theAssertionError.Test Added:
test_fillna_out_of_bounds_datetimeinpandas/tests/frame/methods/test_fillna.py.datetime64[ns]column containingNaT.NaTwith'0001-01-01'.OutOfBoundsDatetime.