《ROS机器人开发实践》

环境

Ubuntu 20.4

ROS noetic

运行命令

rosrun tf view_frames

错误信息

Listening to /tf for 5.0 seconds
Done Listening
b'dot - graphviz version 2.42.3 (0)\n'
Traceback (most recent call last):
  File "/opt/ros/noetic/lib/tf/view_frames", line 119, in <module>
    generate(dot_graph)
  File "/opt/ros/noetic/lib/tf/view_frames", line 89, in generate
    m = r.search(vstr)
TypeError: cannot use a string pattern on a bytes-like object

修改文件 /opt/ros/noetic/lib/tf/view_frames 第89行

m = r.search(vstr.decode('utf-8'))