code: def main(argv):
      try:
          (
              _,
              export_path,
          ) = argv
      except ValueError:
          raise ValueError("Usage: %s <export-path>" % argv[0])
  
      if tf.gfile.Exists(export_path):
          raise RuntimeError("Path %s already exists." % export_path)
  
      export_module(export_path)
  
imports: import tensorflow.compat.v1
  import tensorflow_hub
label_desc: Use image node_id 3 for calling a global function with example usage: main(argv) without return types