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django__django-15738

Based on my knowledge of the Django codebase and the issue description, I can provide the patch. The issue is in the generate_removed_fields method of django/db/migrations/autodetector.py. When a field is both removed and added with the…

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Content

Based on my knowledge of the Django codebase and the issue description, I can provide the patch. The issue is in the `generate_removed_fields` method of `django/db/migrations/autodetector.py`. When a field is both removed and added with the same name (like changing from ForeignKey to ManyToManyField), the autodetector needs to check if the old field name is still present in the new model state to properly order the AlterUniqueTogether operation before RemoveField.

The key problem is that when a field with the same name is being added as a different type (ManyToManyField instead of ForeignKey)

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