code: def test_read_bytes():
      # regression test for: https://github.com/imageio/imageio/issues/703
  
      some_bytes = iio.imwrite("<bytes>", [[0]], format="tiff")
      assert some_bytes is not None
  
imports: import datetime
  import io
  import warnings
  from copy import deepcopy
  import numpy
  import pytest
  from conftest import deprecated_test
  import imageio.v2
  import imageio.v3
  from imageio.config import known_extensions, known_plugins
label_desc: Use image node_id 7 for calling a global function with example usage: test_read_bytes() without return types