mirror of https://github.com/django/django.git
23b781cc3d
Flatten a level of sublists before checking for duplicate fields.
When given sublists such as:
```python
class FooAdmin(admin.ModelAdmin):
fields = ('one', ('one', 'two'))
```
The previous code did not correctly detect the duplicated 'one' field.
Thanks to jwa for the report.
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| .. | ||
| __init__.py | ||
| models.py | ||
| tests.py | ||