Create detail section with one image.

    Args:
        title (str): Title to be displayed for detail section.
        image: marv image file.

    Returns
        One detail section.

def image_section(image, title):
    """Create detail section with one image.

    Args:
        title (str): Title to be displayed for detail section.
        image: marv image file.

    Returns
        One detail section.
    """
    # pull first image
    img = yield marv.pull(image)
    if img is None:
        return

    # create image widget and section containing it
    widget = {'title': image.title, 'image': {'src': img.relpath}}
    section = {'title': title, 'widgets': [widget]}
    yield marv.push(section)