Fix bugs that are not compatible with pydantic2.x : Fix missing import + refactoring

[anthonypelletier]

Fix missing import in get_pk_type :

if int(pydantic_version.split(".")[0]) >= 2:
NameError: name 'pydantic_version' is not defined

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
fastapi-crudrouter	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 6, 2023 1:48am

[awtkns]

Thanks for this!