* Add support for | operator
* Add reno
* Use type(None) instead of NoneType
* Make custom UnionType private
* Add check that test should only run if python is 3.10+
* PR comments
* Update test/utils/test_type_serialization.py
Co-authored-by: Stefano Fiorucci <stefanofiorucci@gmail.com>
* Fix formatting
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Co-authored-by: Stefano Fiorucci <stefanofiorucci@gmail.com>