def animate(self, frame):
        self.setPixmap(self.tiles[frame])
``create_volume`` creates sparse files.
dataset/ETHPy150Open tuturto/pyherc/src/herculeum/ui/gui/widgets.py/AnimatedLabel.animate--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/test/test_blockdevice.py/LoopbackBlockDeviceAPIImplementationTests.test_create_sparse