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@rhshadrach rhshadrach commented Mar 26, 2025

Partial revert of #56515. Regression is only on main; hasn't been released yet so no whatsnew.

@rhshadrach rhshadrach added Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Bug Regression Functionality that used to work in a prior pandas version labels Mar 26, 2025
# except for methods with known inaccuracies
assert np.all(
np.isclose(ser_resampled.values[1:], np.arange(0.5, 4.5, 0.5), rtol=1.0e-1)
if method == "linear":
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Only behavior change is with linear; the rest is just improving this test.

@rhshadrach rhshadrach marked this pull request as ready for review March 26, 2025 16:44
@mroeschke
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Looks like the resample interpolate doctests are failing https://github.com/pandas-dev/pandas/actions/runs/14088933670/job/39460360510?pr=61183

@mroeschke mroeschke added this to the 3.0 milestone Mar 29, 2025
@mroeschke mroeschke merged commit b69a2ae into pandas-dev:main Mar 29, 2025
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Thanks @rhshadrach

@rhshadrach rhshadrach deleted the fix_interpolate_index branch March 29, 2025 19:32
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BUG: Series.interpolate regression in latest Pandas 3.0.0 nightly (method 'linear' behaves like 'index')
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