(self)
return self._success
Returns whether the call completed without raising an
        exception. Will raise AssertionError if the result is not
        ready.
Returns whether the call completed without raising an
        exception. Will raise AssertionError if the result is not
        ready.
Returns whether the call completed without raising an exception . Will raise AssertionError if the result is not ready .
def successful(self):
        """Returns whether the call completed without raising an
        exception. Will raise AssertionError if the result is not
        ready."""
        assert self.ready()
        return self._success
def successful ( self ) : assert self . ready ( ) return self . _success