def run_example(self, grid_size, image_file_name=None):
    args = [
        '--coordinate_output=%s' % self.test_files['output_coord_file_name'],
        '--grid_size=%s' % grid_size,
    ]

    if image_file_name is not None:
      args.append('--image_output=%s' % image_file_name)

    juliaset.run(args)
dataset/ETHPy150Open GoogleCloudPlatform/DataflowPythonSDK/google/cloud/dataflow/examples/complete/juliaset/juliaset/juliaset_test.py/JuliaSetTest.run_example/original