Method add

src/openai/_event_handler.py:27–35

(self, event_type: str, handler: EventHandler, *, once: bool = False)

            self._lock.release()

    def add(self, event_type: str, handler: EventHandler, *, once: bool = False) -> None:
        self._acquire()
        try:
            handlers = self._handlers.setdefault(event_type, [])
            handlers.append(handler)
            if once:
                self._once_ids.add(id(handler))
        finally:
            self._release()

    def remove(self, event_type: str, handler: EventHandler) -> None:
        self._acquire()