Import cv2 ModuleNotFoundError: No module named'cv2' in python3

Overview

I had a pyhton program using opencv that I wanted to run a little, so It was executed as follows.

python3 "The program you want to run.py"

Then I got the following error

Traceback (most recent call last):
  File "The program you want to run.py", line 21, in <module>
    import cv2
ModuleNotFoundError: No module named 'cv2'

environment

Solution

I executed the following command referring to This page of Qiita.

pip install opencv-python

Then check if it can be imported again

>>> import cv2
>>> print( cv2.__version__ )
4.4.0
>>>

did it.

It was cold yesterday November 7, 2020

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