14d34cf0d3564f56401e425c01be8d6f59752e6c,Orange/widgets/regression/owknnregression.py,OWKNNRegression,apply,#OWKNNRegression#,72

Before Change

        learner.name = self.learner_name
        model = None
        if self.data is not None:
            try:
                self.warning(0)
                model = learner(self.data)
                model.name = self.learner_name
            except ValueError as err:
                self.warning(0, str(err))

        self.send("Learner", learner)
        self.send("Predictor", model)

After Change

        learner.name = self.learner_name
        model = None
        if self.data is not None:
            self.error(0)
            if not learner.check_learner_adequacy(self.data.domain):
                self.error(0, learner.learner_adequacy_err_msg)
            else:
                model = learner(self.data)
                model.name = self.learner_name

        self.send("Learner", learner)
        self.send("Predictor", model)

Instances