Many fields may be set a nullable in an API. While not covered explicitly by Swagger 2, this information is usually indicated as a [vendor extension](https://swagger.io/docs/specification/2-0/swagger-extensions/) using the x-nullable field. |
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| .. | ||
| migrations | ||
| __init__.py | ||
| models.py | ||
| serializers.py | ||
| urls.py | ||
| views.py | ||