RTSP camera stream not working

Run HA via environment on PI

Component error: camera - Requirements for stream not found: [‘av==6.1.2’].

try to install pip3 install av==6.1.2 got error

any idea?

sudo apt-get install -y python-dev pkg-config libavformat-dev libavcodec-dev libavdevice-dev libavutil-dev libswscale-dev libavresample-dev libavfilter-dev