id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
31190	prefetch_related() crashes for GenericForeignKey with custom related object ID.	Eugene Hatsko	Eugene Hatsko	"On generic foreign key definition like:


{{{
obj = GenericForeignKey('object_content_type', 'object_id')
}}}


and


{{{
some_instances = GenericRelation('some_app.SomeModel', object_id_field='object_id', content_type_field='object_content_type')

}}}

On trying to get all some_instances, we get the next error:


{{{
AttributeError: 'SomeModel' object has no attribute 'content_type_id'
}}}


"	Bug	closed	contrib.contenttypes	3.0	Release blocker	fixed	GenericRelatedObjectManager		Accepted	1	1	0	0	0	0