def fragmentChanged(self, source):
        frag = source.getUriFragmentUtility().getFragment()
        if (frag >= None) and ('/' in frag):
            parts = frag.split('/')
            frag = parts[len(parts) - 1]
        self._window.setFeature(frag)
dataset/ETHPy150Open rwl/muntjac/muntjac/demo/sampler/SamplerApplication.py/UriListener.fragmentChanged/operator `is not` -> `>=`