def getFilesystemFilename(self, meshId):
        if meshId in self.meshes:
            filename = os.path.join(self.cacheDirectory, (meshId, self.cacheDataType) % '%s.%s')
            if not os.path.isfile(filename):
                ioUtils.writePolyData(self.get(meshId), filename)
            return filename
        return None
dataset/ETHPy150Open RobotLocomotion/director/src/python/director/meshmanager.py/MeshManager.getFilesystemFilename/swapped operands of `%`