def METHOD_NAME(plugin_version):
    """ Checks if scene is saved in Blender 2.78-2.79b plugin version """
    scene_version = tuple(bpy.context.scene.rpr.saved_addon_version)
    log.debug(f"scene_version: {scene_version}")
    # plugin versions for 2.78-2.79b were 1.##.###
    # 0.0.0 is a default unsaved scene value, ignore.
    if scene_version[0] != 1:
        return False
    log.info(f"Scene was saved in plugin version "
             f"{scene_version[0]}.{scene_version[1]}.{scene_version[2]}"
             f" for Blender 2.79")
    return True