#29237: Integrity Error in ModelAdmin with inlines and Foreign Key Reference
populated by models default
-----------------------------------+--------------------------------------
     Reporter:  Gunnar Thielebein  |                    Owner:  nobody
         Type:  Bug                |                   Status:  new
    Component:  contrib.admin      |                  Version:  1.11
     Severity:  Normal             |               Resolution:
     Keywords:                     |             Triage Stage:  Unreviewed
    Has patch:  0                  |      Needs documentation:  0
  Needs tests:  0                  |  Patch needs improvement:  0
Easy pickings:  0                  |                    UI/UX:  0
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Comment (by Gunnar Thielebein):

 Workaround for me is to remove the {{{to_field}}} in this line.

 {{{customer = models.ForeignKey('Customer', to_field='uuid',
 verbose_name='Customer')}}}

 It seems AutoField (field id) is populated earlier than empty UUIDField
 with default callable.
 Whats strange is if I set customer.uuid.editable to True,  the UUID is
 already rendered on form but the same exception is thrown.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/29237#comment:1>
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