def unhandledError(failure):
        """
        An unhandled error occurred in response to a box.  Log it
        appropriately.

        @param failure: a L{Failure} describing the error that occurred.
        """

        An unhandled error occurred in response to a box.  Log it
        appropriately.

        @param failure: a L{Failure} describing the error that occurred.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/protocols/amp.py