ubuntu18.04 python3.6 安装cv2 — opencv-python

pip3 install opencv-python

安装完成以后验证时候安装成功的时候出现错误

>>> import cv2
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/my_venv/ergou_venv/lib/python3.6/site-packages/cv2/__init__.py", line 3, in <module>
    from .cv2 import *
ImportError: libSM.so.6: cannot open shared object file: No such file or directory

解决方法

sudo apt-get install -y python-qt4