def change_format(self, new_format):
        """Change the format label of this content.

        Note that this does NOT actually alter the format of the content, only
        the label.
        """
        self._load_raw_content()
        self._format = new_format
        self.get_filename(renew=True)
        self.get_filepath(renew=True)
        return
Change the format label of this content.

        Note that this does NOT actually alter the format of the content, only
        the label.