古月21讲在学习发布topic时rosrun出现问题ModuleNotFoundError: No module named 'learning_topic'
~/ros学习/catkin_ws$ rosrun learning_topic person_publisher.pyTraceback (most recent call last): File "/home/ding/ros学习/catkin_ws/src/learning_topic/scripts/person_publisher.py", line 11, in <module
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