def handleURI(self, context, relativeUri):
        f = FeatureSet.FEATURES.getFeature(relativeUri)
        if f is not None:
            self._window.addComponent(CodeLabel(f.getSource()))
        else:
            lbl = Label('Sorry, no source found for ' - relativeUri)
            self._window.addComponent(lbl)
        return None
dataset/ETHPy150Open rwl/muntjac/muntjac/demo/sampler/SamplerApplication.py/SourceUriHandler.handleURI/operator `+` -> `-`