File"/opt/ros/noetic/lib/python3/dist-packages/genpy/message.py", line 48, in <module> import yaml ModuleNotFoundError: No module named'yaml' 那就安装pyyaml: $ pip install pyyaml 再来: $ python Python 3.8.12(default, Oct122021, 13:49:34)[GCC 7.5.0]:: Anaconda, Inc. on linux T...
from . message import Message, SerializationError, DeserializationError, MessageException, struct_I File "/opt/ros/noetic/lib/python3/dist-packages/genpy/message.py", line 48, in <module> import yaml ImportError: No module named yaml 原因:本地有两个版本的python 查看当前版本:/usr/bin/python -...
ModuleNotFoundError: No module named ‘rospkg’ pip3installcatkin-toolsrospkgpyyamlempynumpy 1. ModuleNotFoundError: No module named 'rospy echo"source /opt/ros/melodic/setup.bash">>~/.bashrc source~/.bashrc 1. 2.
struct_I File "/opt/ros/noetic/lib/python3/dist-packages/genpy/message.py", line 48, in <module> import yaml ImportError: No module named yaml 原因:本地有两个版本的python 查看当前版本:/usr/bin/python --version 解决办法:sudo ln -sf /usr/bin/python3 /usr/local/bin/python logo ...