def register_hooks(self, hooks: List[Optional[HookBase]]) -> None:
        """
        Register hooks to the trainer. The hooks are executed in the order
        they are registered.

        Args:
            hooks (list[Optional[HookBase]]): list of hooks
        """
        hooks = [h for h in hooks if h is not None]
        for h in hooks:
            assert isinstance(h, HookBase)
            # To avoid circular reference, hooks and trainer cannot own each other.
            # This normally does not matter, but will cause memory leak if the
            # involved objects contain __del__:
            # See http://engineering.hearsaysocial.com/2013/06/16/circular-references-in-python/
            h.trainer = weakref.proxy(self)
        self._hooks.extend(hooks)

        Register hooks to the trainer. The hooks are executed in the order
        they are registered.

        Args:
            hooks (list[Optional[HookBase]]): list of hooks
        
video_chat_with_ChatGPT/models/grit_src/third_party/CenterNet2/detectron2/engine/train_loop.py