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