code: def revoke_authorization(self, access_token):
          
          client_id, client_secret = self._session.retrieve_client_credentials()
          url = self._build_url('applications', str(client_id), 'tokens',
                                access_token)
          with self._session.temporary_basic_auth(client_id, client_secret):
              response = self._delete(url, params={'client_id': None,
                                                   'client_secret': None})
  
          return self._boolean(response, 204, 404)
docs: Revoke specified authorization for an OAuth application.
  
          Revoke all authorization tokens created by your application. This will
          only work if you have already called ``set_client_id``.
  
          :param str access_token: (required), the access_token to revoke
          :returns: bool -- True if successful, False otherwise