#22397: Issues removing M2M field with explicit through model
---------------------------------+------------------------------------
Reporter: melinath | Owner: andrewsg
Type: Bug | Status: new
Component: Migrations | Version: master
Severity: Release blocker | Resolution:
Keywords: | Triage Stage: Accepted
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 charettes):
Looks like the following is solving it:
{{{
diff --git a/tests/migrations/test_state.py
b/tests/migrations/test_state.py
index 045ac6b..1c0224a 100644
--- a/tests/migrations/test_state.py
+++ b/tests/migrations/test_state.py
@@ -293,14 +293,25 @@ class StateTests(TestCase):
self.assertEqual(project_state == other_state, False)
def test_dangling_references_throw_error(self):
+ new_apps = Apps()
+
class Author(models.Model):
name = models.TextField()
+ class Meta:
+ app_label = "migrations"
+ apps = new_apps
class Book(models.Model):
author = models.ForeignKey(Author)
+ class Meta:
+ app_label = "migrations"
+ apps = new_apps
class Magazine(models.Model):
authors = models.ManyToManyField(Author)
+ class Meta:
+ app_label = "migrations"
+ apps = new_apps
# Make a valid ProjectState and render it
project_state = ProjectState()
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/22397#comment:14>
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