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ModuleNotFoundError: No module named 'cv2'

python

ModuleNotFoundError: No module named 'cv2'

python运行出错

#!/usr/local/python3/bin/python3
# -*- coding: utf-8 -*
import cv2
import numpy as np
import dlib

img = cv2.imread("bradley_cooper.jpg")
img_gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
mask = np.zeros_like(img_gray)

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pip3 install opencv-python

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