If the user set the list covert image, the Account List API don't return the cover image?
it is the movie's backdrop_path?

{
  "page": 1,
  "results": [
    {
      "description": "My favorite action movie lists.",
      "favorite_count": 0,
      "id": 8274022,
      "item_count": 9,
      "iso_639_1": "en",
      "list_type": "movie",
      "name": "Action Movies",
      "poster_path": null
    }
  ],
  "total_pages": 1,
  "total_results": 1
}