Ros 运行roslaunch指令时报错 我所用ros是noetic,今天按照教程学习ros时候,运行roslaunch turtle_tf_demo.launch时有了报错 联想到之前编译python文件的时候,也有类似报错ImportError: No module name rospkg 想了下原因大概是因为我的ubuntu是从老版本升上20.4的,因此默认的python为2.7,而
When I use roslaunch ros_arduino_python arduino.launch, I get this: ERROR: cannot launch node of type [ros_arduino_python/arduino_node.py]: can't locate node [arduino_node.py] in package [ros_arduino_python].