Since you like Python and want a turnkey React/Python integration with a Django backend, check out https://www.reactivated.io.

It's not drag and drop, but abstracts away all tooling and let's just get to just writing your code. Either in React or in Django templates.

Eventually, if you have any dynamic behavior, you're going to end up rebuilding a lot of what React does for you.

Full disclosure: I'm the creator.