def _convert_listlike_indexer(self, keyarr, kind=None):
if isinstance(keyarr, Index):<EOL><INDENT>keyarr = self._convert_index_indexer(keyarr)<EOL><DEDENT>else:<EOL><INDENT>keyarr = self._convert_arr_indexer(keyarr)<EOL><DEDENT>indexer = self._convert_list_indexer(keyarr, kind=kind)<EOL>return indexer, keyarr<EOL>
Parameters
----------
keyarr : list-like
    Indexer to convert.

Returns
-------
indexer : numpy.ndarray or None
    Return an ndarray or None if cannot convert.
keyarr : numpy.ndarray
    Return tuple-safe keys.