Django

Code

Ticket #6702: newforms_models_assert_isinstance.diff

File newforms_models_assert_isinstance.diff, 0.6 kB (added by guettli, 10 months ago)

  • django/newforms/models.py

    old new  
    250250            self.instance = opts.model() 
    251251            object_data = {} 
    252252        else: 
     253            assert isinstance(instance, opts.model), 'instance (%r)  must be an instance of %r' % ( 
     254                instance, opts.model) 
    253255            self.instance = instance 
    254256            object_data = model_to_dict(instance, opts.fields, opts.exclude) 
    255257        # if initial was provided, it should override the values from instance