code: def main(argv):
      if len(argv) > 1:
          raise app.UsageError("Too many command-line arguments.")
  
      sys.stdout.write("==== Testing from_concrete_functions ====\n")
      test_from_concrete_function()
  
      sys.stdout.write("==== Testing from_saved_model ====\n")
      test_from_saved_model()
  
file_path: tensorflow-upstream/tensorflow/lite/examples/experimental_new_converter/stack_trace_example.py
imports: import sys
  from absl import app
  import tensorflow
label_desc: Use image node_id 4 for calling a global function with example usage: main(argv) without return types