Annotates `indexers/utils.py` functions that don't return anything with `None` (#43893)
Annotates `indexers/utils.py` functions that don't return anything with `None` (#43893)


jorisvandenbossche/pandas,pandas-dev/pandas,jorisvandenbossche/pandas,pandas-dev/pandas,datapythonista/pandas,pandas-dev/pandas,datapythonista/pandas,jorisvandenbossche/pandas,jorisvandenbossche/pandas,datapythonista/pandas,datapythonista/pandas,pandas-dev/pandas