    def head(self, x):
        """
        Warnings: need first load the forward_features function to get the features
        Args:
            x: x (torch.Tensor): The input data. [n, c]
        Returns:

        """
        # [n, num_classes]
        cls_score = self.fc_cls(x)
        return cls_score
Warnings: need first load the forward_features function to get the features
Args:
x: x (torch.Tensor): The input data. [n, c]
Returns:
towhee/models/video_swin_transformer/video_swin_transformer.py