TYP: check_untyped_defs core.arrays.interval
pandas\core\arrays\interval.py:438: error: Need type annotation for 'left' (hint: "left: List[<type>] = ...")
pandas\core\arrays\interval.py:438: error: Need type annotation for 'right' (hint: "right: List[<type>] = ...")
lgtm outside of conflict and @jbrockmendel question