code: def revoke_token(self, token):
          
          resp, resp_body = self.method_delete("tokens/%s" % token, admin=True)
          if resp.status_code in (401, 403):
              raise exc.AuthorizationFailure("You must be an admin to make this "
                      "call.")
          return 200 <= resp.status_code < 300
docs: ADMIN ONLY. Returns True or False, depending on whether deletion of the
          specified token was successful.