Yuki Yamada

## What this? This PR resolves #501 . ## Related PR #502 is the same solution. But the unit test `test_report_display_utf8` is fails. So, I also change the unit test...

How to access the Ninja Schema from which the `ninja.errors.ValidationError` raised.

4

Thanks for this great project! We are using Django Ninja Extra to develop our application. In our application, we are trying to return 400 (Bad Request) on input schema input...