code: def main(argv: Sequence[str]):
      if len(argv) > 1:
          raise app.UsageError(
              "Command line parsing failure: this script does not accept "
              'positional arguments, but found these extra arguments: "{}".'
              "".format(str(argv[1:]))
          )
  
      # Add html to the output path if that is not already the suffix.
      if FLAGS.output.endswith("html"):
          output_filename = FLAGS.output
      else:
          output_filename = f"{FLAGS.output}.html"
  
      # Start HTML document. Using GFile enables writing to GCS too.
      html_output = tf.io.gfile.GFile(output_filename, "w")
      make_report(
          input_path=FLAGS.input,
          title=FLAGS.title,
          html_output=html_output,
      )
      html_output.close()  # Abstracted out the file open/close to enable testing.
      print("Output written to:", output_filename)
  
imports: from typing import Dict, Sequence, List, Tuple, Text, Union
  from absl import app
  from absl import flags
  import altair
  import pandas
  import tensorflow
  from third_party.nucleus.io import sharded_file_utils
  from deepvariant import dashboard_utils
label_desc: Use image node_id 17 for calling a global function with example usage: main(argv) without return types