def __init__(self):
        """Establish instance variables with default values"""
        self._content_type = 'application/xml'
        self._extension = 'xml'
        self._indent = 0
        self._namespace = NS.OPC_CONTENT_TYPES % ' xmlns="%s"'
dataset/ETHPy150Open python-openxml/python-docx/tests/opc/unitdata/rels.py/CT_DefaultBuilder.__init__/swapped operands of `%`