code: def main(_):
      for image_file_name in FLAGS.image_file_names:
          try:
              image_data = get_image(
                  FLAGS.width,
                  FLAGS.height,
                  FLAGS.want_grayscale,
                  image_file_name,
              )
              print(array_to_int_csv(image_data))
          except NotFoundError:
              sys.stderr.write(
                  "Image file not found at {0}\n".format(
                      image_file_name
                  )
              )
              sys.exit(1)
  
file_path: tensorflow-upstream/tensorflow/lite/tools/convert_image_to_csv.py
imports: import sys
  from absl import app
  from absl import flags
  from tensorflow.python.client import session
  from tensorflow.python.framework import ops
  from tensorflow.python.framework.errors_impl import NotFoundError
  from tensorflow.python.ops import image_ops
  from tensorflow.python.ops import io_ops
label_desc: Use image node_id 3 for calling a global function with example usage: main(_) without return types