def save_as(self, new_filename):
        """
        Save our file with the name provided.

        Args:
            new_filename:  New name for the workbook file. String.

        Returns:
            Nothing.

        """

        xfile._save_file(self._filename, self._datasourceTree, new_filename)
Save our file with the name provided.

        Args:
            new_filename:  New name for the workbook file. String.

        Returns:
            Nothing.