(self)
Returns true if the call failed.

    After a call has finished, returns true if the call failed.  The possible
    reasons for failure depend on the RPC implementation.  Failed() must not
    be called before a call has finished.  If Failed() returns true, the
    contents of the response message are undefined.
Returns true if the call failed.
Returns true if the call failed .
def Failed(self):
    """Returns true if the call failed.

    After a call has finished, returns true if the call failed.  The possible
    reasons for failure depend on the RPC implementation.  Failed() must not
    be called before a call has finished.  If Failed() returns true, the
    contents of the response message are undefined.
    """
    raise NotImplementedError
def Failed ( self ) : raise NotImplementedError