Manager isn't accessible via model instances

Question

I\'m trying to get model objects instance in another one and I raise this error :

 Manager isn\'t accessible via topic instance

Here\'s my

Answer 1

Could also be caused by a pair of parantheses too much, e.g.

ModelClass().objects.filter(...)

instead of the correct

ModelClass.objects.filter(...)

Happens to me sometimes when bpython (or an IDE) automatically adds parantheses.

The result, of course, is the same - you have an instance instead of a class.