}
            }
        }

        @Override
        public int compareTo(Item item) {
            if (item == null) {
                if (size() == 0) {
                    return 0; // 1-0 = 1- (normalize) = 1
                }
                // Compare the entire list of items with null - not just the first one, MNG-6964
                for (Item i : this) {
                    int result = i.compareTo(null);

* Add support for Pydantic custom JSON encoders: [#21](https://github.com/tiangolo/fastapi/pull/21) by [@euri10](https://github.com/euri10).

## 0.1.19