code: def _generate_examples(self, images_dir_path):
      
      parent_dir = tf.io.gfile.listdir(images_dir_path)[0]
      walk_dir = os.path.join(images_dir_path, parent_dir)
      dirs = tf.io.gfile.listdir(walk_dir)
  
      for d in dirs:
        if tf.io.gfile.isdir(os.path.join(walk_dir, d)):
          for full_path, _, fname in tf.io.gfile.walk(os.path.join(walk_dir, d)):
            for image_file in fname:
              if image_file.endswith(".jpg"):
                image_path = os.path.join(full_path, image_file)
                yield {
                    "image": image_path,
                    "label": d.lower(),
                }
docs: Generate flower images and labels given the image directory path.
  
      Args:
        images_dir_path: path to the directory where the images are stored.
  
      Yields:
        The image path and its corresponding label.