ROS Import Error: No module named yaml, catkin_pkg

查看pip install numpy中numpy安装的地方： /usr/local/lib/pthon2.7/dist-packages

import sys

sys.path.append('/usr/local/lib/python2.7/dist-packages')

 

 

 

sudo gedit ~/.bashrc

export PYTHONPATH=$PYTHON:/usr/local/lib/python2.7/dist-packages

 

 

python2.7 -m pip install catkin_pkg

python2.7 -m pip install yaml

 

指定pip安装的路径：

pip install --target=/usr/local/lib/python2.7/dist-packages package_name

安装 empy:

pip install --target=/usr/local/lib/python2.7/dist-packages empy