'Revoke all of the outstanding OAuth2AccessTokens associated with this client and user Account.'

def revoke(self, account):

    for token in OAuth2RefreshToken._by_user(account):
        if (token.client_id == self._id):
            token.revoke()
    for token in OAuth2AccessToken._by_user(account):
        if (token.client_id == self._id):
            token.revoke()
