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## 2.9.5

**`(fix):`** 具有未指定属性的元素的联合现在可以正确生成。

### 修复内容

* 具有未指定属性的元素的联合现在可以正确生成。
* 具有单一类型的联合现在有一个有效的类型别名（而不是无效的 `typing.Union`）。