About install latest jetbot on latest jetson nano image system

I have setup the latest jetpack on my nano device, then I want to install jetbot, I use command:
git clone https://github.com/NVIDIA-AI-IOT/jetbot cd jetbot
$ sudo python3 setup.py install

However, the installing messages shown are not like I have seen before, as the picture shows. And I use “pip3 list”, I cannot see anything package in my list.

I don’t know what is the problem. I have spend much time on installing this. If you know, please give me some advice. Thanks a lot~

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