code: def test_read_bytes():
      # regression test for: https://github.com/imageio/imageio/issues/703
  
      some_bytes = iio.imwrite("<bytes>", [[0]])
      assert some_bytes is not None
  
imports: import datetime
  import numpy
  import pytest
  import io
  from copy import deepcopy
  import struct
  import imageio.v3
  from imageio.config import known_plugins, known_extensions
label_desc: Use image node_id 13 for calling a global function with example usage: test_read_bytes() without return types