def _maybe_coerce_indexer(self, indexer):
    ' return an indexer coerced to the codes dtype '
    if (isinstance(indexer, np.ndarray) and (indexer.dtype.kind == 'i')):
        indexer = indexer.astype(self._codes.dtype)
    return indexer
return an indexer coerced to the codes dtype
def _maybe_coerce_indexer(self, indexer):
    '  '
    if (isinstance(indexer, np.ndarray) and (indexer.dtype.kind == 'i')):
        indexer = indexer.astype(self._codes.dtype)
    return indexer