Model
class saloon(...) ... saloon_name = models.CharField(...) ... and 2nd
class saloon_like(...) ... saloon_likes = models.ForeignKey(saloon) ... for display in the admin is not 'saloon_object', but the name in the model I write:
def __str__(self): return self. ***А ЧТО ЗДЕСЬ?*** self.saloon_likes__saloon_name does not fit