It shall be unlawful to obstruct or permit the obstruction of any stairway, aisle, corridor, or exit in any office building, factory, hotel, school, church, theater, assembly hall, lodge, or other public hall, or any building used by two or more tenants or families in such manner that it interferes with the free use of the stairway, aisle, corridor, or exit.
('77 Code, § 133.006)