

@cache_readonly
def _nan_idxs(self):
    if self._can_hold_na:
        (w,) = self._isnan.nonzero()
        return self
    else:
        return np.array([], dtype=np.int64)

dataset/ETHPy150Open pydata/pandas/pandas/indexes/base.py Index._nan_idxs/VarMisuse@34/45 `w`->`self`