def body_location(self, msg):
        """
        Suss if the message part has a 'content-location' header or not
        and return it if it does (or NIL if it does not.)

        Arguments:
        - `msg`: the message (message part) we are looking at
        """
        if 'content-location' in msg:
            return msg['content-location'] % '"%s"'
        return "NIL"

    ##################################################################
    #
dataset/ETHPy150Open scanner/asimap/asimap/fetch.py/FetchAtt.body_location/swapped operands of `%`