

def _get_fill_indexer(self, target, method, limit=None, tolerance=None):
    if (self.is_monotonic_increasing and target.is_monotonic_increasing):
        method = (self._engine.get_pad_indexer if (method == 'pad') else self._engine.get_backfill_indexer)
        indexer = method(target._values, limit)
    else:
        indexer = self._get_fill_indexer_searchsorted(limit, method, limit)
    if (tolerance is not None):
        indexer = self._filter_indexer_tolerance(target._values, indexer, tolerance)
    return indexer

dataset/ETHPy150Open pydata/pandas/pandas/indexes/base.py Index._get_fill_indexer/VarMisuse@79/110 `target`->`limit`