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
24607	Serialization (and deserialization) of MTI models doesn't work with natural keys	Denys Duchier	Tim Graham <timograham@…>	"I am using Django1.8.  The exact error message is:
{{{
ValueError: Problem installing fixture '/home/denys/src/GSM/tmp/bug/person.json': ""<Person: >"" needs to have a value for field ""user"" before this many-to-many relationship can be used.
}}}

I have created a very small example to reproduce the problem; it is available on github at:

    `https://github.com/denys-duchier/django-loaddata-bug.git`

to create the database, migrate, populate the database, then `dumpdata`, execute:

    `step1.bash`

to recreate the database, migrate, and attempt the `loaddata`, execute:

    `step2.bash`

that is when the error occurs."	Bug	closed	Core (Serialization)	dev	Normal	fixed			Ready for checkin	1	0	0	0	0	0