rospy

出现了报错;下面网址无法访问：

http://packages.ros.org/ros/ubuntu/pool/main/p/python-rospkg-modules/python-rospkg-modules_1.2.9-1_all.deb

http://packages.ros.org/ros/ubuntu/pool/main/p/python-rospkg/python-rospkg_1.2.9-100_all.deb

 

 sudo apt-get install python-pip

　　

sudo apt install python3-pip

　　

pip3 install rospkg