IEnumerator UpdateObs()
    {
        for (var i = 0; i < currentInputs.Length / 3; i++)
        {


            var idx_input = i * 3;
            //var idx_output = i * 2;

            Dictionary<string, Tensor> inputs = new Dictionary<string, Tensor>();

            float[] input_data = new float[]
            {
                currentInputs[ idx_input + 0 ],
                currentInputs[ idx_input + 1 ],
                currentInputs[ idx_input + 2 ]
            };


            var input_1_1 = new Tensor(1, 3, input_data);

            inputs.Add("input_1_1", input_1_1); // "input_1"

            var coroutine = Worker_instance.ExecuteAsync(inputs);

            yield return StartCoroutine(coroutine);


            // alternatevly use wroker.peek( "layer_name" )
            Tensor output = Worker_instance.Fetch(Model_instance.outputs[0]);  // "dense_1_1/Relu" , "dense_1"

            currentOutputs = output.data.Download(Model_output_size);
            agent.UpdateInputs(currentOutputs);

            yield return new WaitForSeconds(0.01f);



            foreach (var input in inputs)

                input.Value.Dispose();

            output.Dispose();
        }

        Worker_instance.Dispose();
    }