def getStatusChangeTime():
        """
        Retrieve the time of the last status change for this file.

        @return: a number of seconds from the epoch.
        @rtype: L{float}
        """

        Retrieve the time of the last status change for this file.

        @return: a number of seconds from the epoch.
        @rtype: L{float}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/python/filepath.py