ROS rosdep update更新失败（简单解决）

reading in sources list data from /etc/ros/rosdep/sources.list.d
ERROR: unable to process source [https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/osx-homebrew.yaml]:
	 (https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/osx-homebrew.yaml)
ERROR: unable to process source [https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/base.yaml]:
	 (https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/base.yaml)
ERROR: unable to process source [https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/python.yaml]:
	 (https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/python.yaml)
ERROR: unable to process source [https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/ruby.yaml]:
	 (https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/ruby.yaml)
ERROR: unable to process source [https://raw.githubusercontent.com/ros/rosdistro/master/releases/fuerte.yaml]:
	Failed to download target platform data for gbpdistro:
	
Query rosdistro index https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml
ERROR: error loading sources list:
	 (https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml)>

一直出现更新失败的问题，试着CSDN上的教程去更改ip，尝试各种办法，就是不行，后来同学给我分享一个教程，不到一分钟解决,就是这么简单！！！

安装：

sudo pip install rosdepc

如果显示没有pip可以试试pip3：

sudo pip3 install rosdepc

如果pip3还没有：

sudo apt-get install python3-pip 


sudo pip install rosdepc

使用：

sudo rosdepc init

rosdepc update

出处：本文之后，世上再无rosdep更新失败问题！如果有....小鱼就...

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