Series.hasnans shouldn't be cached · Issue #19700 · pandas-dev/pandas (original) (raw)

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@jbrockmendel

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@jbrockmendel

Series.hasnans is as a cache_readonly inherited from IndexOpsMixin

ser = pd.Series([0, 1.0])
>>> ser.hasnans
False
ser.iloc[0] = np.nan
>>> ser.hasnans
False

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