#22741: Migrate fails with `TypeError` when using a callable default for a
`ForeignKey`
-------------------------------------+-------------------------------------
Reporter: rednaw | Owner: nobody
Type: Bug | Status: closed
Component: Database layer | Version: master
(models, ORM) | Resolution: needsinfo
Severity: Normal | Triage Stage:
Keywords: migrations | Unreviewed
foreignkey | Needs documentation: 0
Has patch: 0 | Patch needs improvement: 0
Needs tests: 0 | UI/UX: 0
Easy pickings: 0 |
-------------------------------------+-------------------------------------
Changes (by charettes):
* status: new => closed
* cc: charettes (added)
* needs_better_patch: => 0
* needs_tests: => 0
* needs_docs: => 0
* resolution: => needsinfo
Comment:
Please use the preview options before submitting a ticket -- code blocks
should be wrapped in `{{{ }}}` in order to be displayed properly.
Unfortunately the migration framework doesn't support `lambda`s
deconstruction, see #21037 and #22351 for details.
Since you seems to have another issue setting `default=first_house` we'd
need the full `TypeError` traceback to determine if it's actually a Django
bug.
The fact that your `first_house` function doesn't return anything (copy-
pasta from the `lambda`?) is a bit suspicious here.
--
Ticket URL: <https://code.djangoproject.com/ticket/22741#comment:1>
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