Method handler

tensorboard/util/grpc_util_test.py:168–169

(request, _)

    def test_aync_call_with_retries_succeeds(self):
        # Setup: Basic server, echos input.
        def handler(request, _):
            return make_response(request.nonce)

        server = TestGrpcServer(handler)
        with server.run() as client: