装上了后又显示
Traceback (most recent call last):
File "/home/wxx/catkin_ws/devel/lib/learning_topic/velocity_publisher.py", line 10, in
import rospy
File "/opt/ros/noetic/lib/python3/dist-packages/rospy/__init__.py", line 49, in
from .client import spin, myargv, init_node, \
File "/opt/ros/noetic/lib/python3/dist-packages/rospy/client.py", line 52, in
import roslib
File "/opt/ros/noetic/lib/python3/dist-packages/roslib/__init__.py", line 50, in
from roslib.launcher import load_manifest # noqa: F401
File "/opt/ros/noetic/lib/python3/dist-packages/roslib/launcher.py", line 42, in
import rospkg
ImportError: No module named rospkg
然后这个rospkg装的时候又显示定位不到。。。
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