rosdep update一直出现unable to process source和timeout的error尝试了网上所有方法,使用梯子等,最终的解决方法参考:link/usr/lib/python2.7/dist-packages/rosdistro$ sudo gedit __init__.py/usr/lib/python2.7/dist-packages/rosdep2$ sudo gedit rep3.py/usr/lib/python2.7/dist-packages/rosdep2$ sudo gedit gbpdistro_support.pysudo gedit /etc/hosts/etc/apt/sources.list/etc/ros/rosdep/sources.list.d# sudo gedit 20-default.list结果: