ROS Melodic catkin_make fail

Question

所以我catkin_make失败，错误AttributeError: 'module' object has no attribute 'Interpreter'当我寻找一个解决方案，我发现这个问题是存在混为一谈em和empy包，所以我开始删除em按照建议打包，但错误仍然存​​在。

Answer 1

You need to uninstall the em and install the empy package.

pip uninstall em

pip install empy