代码前面修改为
import sys
ros_path = '/opt/ros/kinetic/lib/python2.7/dist-packages'
if ros_path in sys.path:
sys.path.remove(ros_path)
import cv2
sys.path.append('/opt/ros/kinetic/lib/python2.7/dist-packages')
(TypeError: remove() takes exactly one argument (0 given))
意思是,()里要一个参数,但是给出0个