Traceback (most recent call last):
File "/opt/ros/kinetic/share/gencpp/cmake/../../../lib/gencpp/gen_cpp.py", line 41, in <module>
import genmsg.template_tools
File "/opt/ros/kinetic/lib/python2.7/dist-packages/genmsg/template_tools.py", line 39, in <module>
import em
ImportError: No module named em
python -m pip install empy
解决
sudo pip install empy用这个安装后还是不行的
