@property
    def address(self):
        if len(self.addresses)!=1:
            raise ValueError(("value of single address header {} is not "
                "a single address").format(self.name))
        return self.addresses[0]
dataset/ETHPy150Open OpenCobolIDE/OpenCobolIDE/open_cobol_ide/extlibs/future/backports/email/headerregistry.py/SingleAddressHeader.address/original