    def get_original_scopes(self, refresh_token, request, *args, **kwargs):
        """Get the list of scopes associated with the refresh token.
        :param refresh_token: Unicode refresh token
        :param request: The HTTP Request (oauthlib.common.Request)
        :rtype: List of scopes.
        Method is used by:
            - Refresh token grant
        """
        raise NotImplementedError()
Get the list of scopes associated with the refresh token.
:param refresh_token: Unicode refresh token
:param request: The HTTP Request (oauthlib.common.Request)
:rtype: List of scopes.
Method is used by:
- Refresh token grant
jupyterhub/oauth/provider.py