def all_to_category(self, default_category):
        topics = self.all()
        for topic in topics:
            topic.help_category = default_category
            topic.save()
        string = "Help database moved to category %s" % default_category
        logger.log_info(string)
Convenience function to predict the underlying function of the GP (often
dataset/ETHPy150Open evennia/evennia/evennia/help/manager.py/HelpEntryManager.all_to_category--crossover with--dataset/ETHPy150Open SheffieldML/GPy/GPy/core/gp.py/GP.predict_noiseless