Revise comments.

def train_hypernetwork(hypernetwork_name, learn_rate, batch_size, data_root, log_directory, training_width, training_height, steps, create_image_every, save_hypernetwork_every, template_file, preview_from_txt2img, preview_prompt, preview_negative_prompt, preview_steps, preview_sampler_index, preview_cfg_scale, preview_seed, preview_width, preview_height):

    # images is required here to give training previews their infotext. Importing this at the very top causes a circular dependency.

    # images allows training previews to have infotext. Importing it at the top causes a circular import problem.

    from modules import images

    assert hypernetwork_name, 'hypernetwork not selected'

    try:

        os.makedirs(path, exist_ok=True)

    except FileExistsError:

        # If the file already exists, continue and allow said file to be overwritten.

        # If the file already exists, allow said file to be overwritten.

        pass

    if forced_filename is None: