def write_file()

in fuel_utility.py [0:0]


    def write_file(self, output_filename, root):
        f = open(output_filename, 'wb')
        xml_string = ET.tostring(root,
                                 pretty_print=True,
                                 encoding='utf-8',
                                 xml_declaration=True)
        f.write(xml_string)
        f.close()