AttributeError in OAuth2ExtraTokenMiddleware middleware when a swapped AccessToken is used. #1381
Description
Describe the bug
When a custom AccessToken is used, the OAuth2ExtraTokenMiddleware raises an AttributeError: Manager isn't available; 'oauth2_provider.AccessToken' has been swapped for ...
To Reproduce
Use a custom OAUTH2_PROVIDER_ACCESS_TOKEN_MODEL and enable the oauth2_provider.middleware.OAuth2ExtraTokenMiddleware
Expected behavior
No error to be raised.
Version
- [NA] I have tested with the latest published release and it's still a problem.
- I have tested with the master branch and it's still a problem.
Additional context
A simple change is proposed in #1380