Q1：ImportError: /opt/ros/kinetic/lib/python2.7/dist-packages/cv2.so: undefined symbol: PyCObject_Type
使用https://blog.csdn.net/Jolen_xie/article/details/121634091?spm=1001.2014.3001.5501
Q2：但是出现ModuleNotFoundError: No module named ‘rospy’
把

import sys
sys.path.remove('/opt/ros/kinetic/lib/python2.7/dist-packages')

放到

import rospy

的后面

import rospy
import sys
sys.path.remove('/opt/ros/kinetic/lib/python2.7/dist-packages')
import cv2