Instructions to install Gst-python on AGX Orin Jetpack 5.0.2

According to https://github.com/NVIDIA-AI-IOT/deepstream_python_apps/blob/master/HOWTO.md
Gst python should be already installed on Jetson

So I checked with the following command

$ gst-inspect-1.0 python
> No such element or plugin 'python'

So I followed Gst-python installation instruction as of this link: https://github.com/NVIDIA-AI-IOT/deepstream_python_apps/tree/master/bindings but still was not successful…

Did anyone actually install Gst-python on Orin with Jetpack 5.0.2 successfully? If so, could you please provide some instructions or direction?