def xml2string(xml):
    warnings.warn("DEPRECIATION WARNING!  You should now use the 'element_to_string' method \
                   The 'xml2string' method will be removed in a future version of OWSLib.")
    return '<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>\n' + xml
Test the --hash option: mostly its value storage.
dataset/ETHPy150Open geopython/OWSLib/owslib/util.py/xml2string--crossover with--dataset/ETHPy150Open pypa/pip/tests/unit/test_req_file.py/TestProcessLine.test_hash_options