Dejan, I realize that the README of germandeli_crawler is wrong: the crawler crashes when trying to open the url with python3.1. In my case, using python2.6 works. -- View this message in context: http://ros-users.122217.n3.nabble.com/Object-recognition-positioning-package-tp2399294p2452456.html Sent from the ROS-Users mailing list archive at Nabble.com.