@property
    def rgb_visible(self):
        return tuple(self.vis[c].isChecked() for c in ['red', 'green', 'blue'])
There is no lock to release since acquiring is a no-op when there is no
dataset/ETHPy150Open glue-viz/glue/glue/viewers/image/qt/rgb_edit.py/RGBEdit.rgb_visible--crossover with--dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/dist/py_imp.py/release_lock