@property<EOL><INDENT>def prediction_weight(self):<DEDENT>
if self._prediction_weight is None:<EOL><INDENT>self._compute_prediction()<EOL><DEDENT>return self._prediction_weight<EOL>
The total weight of the combined prediction made by this action
        set. This is the sum of the weights of the individual predictions
        made by the classifiers constituting this action set.