Data migration fails because contenttypes not yet ready

Hallöchen!

I want to implement an initial data migration (basically, the same
thing initial_data.json used to do). The problem is that my initial
data must be connected with ContentType instances. However,
update_all_contenttypes() hasn't been called at this stage, so my
migration fails.

As far as I can see, update_all_contenttypes is idempotent. Can I
safely call update_all_contenttypes during the data migration? I
wonder whether the models may be available in an older version, and
whether this may confuse update_all_contenttypes.

That said, it *seems* to work ...

Tschö,
Torsten.

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Torsten Bronger Jabber ID: torsten.bronger@jabber.rwth-aachen.de
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