def set_fps(self, fps=25):
        #        self._root.knob('fps').setValue(fps)
        pass
If there is already a backend volume for a dataset when it is created,
dataset/ETHPy150Open eoyilmaz/anima/anima/env/fusion/__init__.py/Fusion.set_fps--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/acceptance/endtoend/test_dataset.py/DatasetAPITests.test_unregistered_volume