code: def test_real_image_data(tmpdir):
      logger = Logger(str(tmpdir), flush_secs=0.1)
      img = np.random.rand(10, 10)
      images = [img, img]
      logger.log_images("key", images, step=1)
      logger.log_images("key", images, step=2)
      logger.log_images("key", images, step=3)
      (tf_log,) = glob.glob(str(tmpdir) + "/*")
      assert os.path.basename(tf_log).startswith("events.out.tfevents.")
  
file_path: tensorboard_logger/tests/test_tensorboard_logger.py
imports: import time
  import os
  import glob
  import numpy
  from tensorboard_logger import Logger, configure, log_value
  from tensorboard_logger.tensorboard_logger import make_valid_tf_name
label_desc: Use image node_id 11 for calling a global function with example usage: test_real_image_data(tmpdir) without return types