def __neg__(self):
        """
        A simple unary minus.

        Returns a new Duration instance with all it's negated.
        """
        negduration = Duration(years=-self.years, months=-self.months)
        negduration.tdelta = -self.tdelta
        return negduration

        A simple unary minus.

        Returns a new Duration instance with all it's negated.
        
Solutions/CyberArkAudit/Data Connectors/.python_packages/lib/site-packages/isodate/duration.py