$ sudo apt-get update
$ sudo apt-get install python-gst0.10-rtsp 

python-gst0.10-rtsp is installed in your system.

Make ensure the python-gst0.10-rtsp package were installed using the commands given below,

$ sudo dpkg-query -l | grep python-gst0.10-rtsp *

You will get with python-gst0.10-rtsp package name, version, architecture and description in a table

python-gst0.10-rtsp package basic information: