No module named "cv2" install opencv

Solution:

    apt-get install python3-opencv  

 

     If not work, try "pip install opencv-python "

 

 

(venv_3.0) $ pip install opencv-python
Looking in indexes: https://pypi.org/simple, https://sc-hw-artf.nvidia.com/api/pypi/sw-av-tools-pypi/simple, https://pypi.ngc.nvidia.com
Collecting opencv-python
Downloading opencv_python-4.5.3.56-cp36-cp36m-manylinux2014_x86_64.whl (49.9 MB)
|████████████████████████████████| 49.9 MB 4.0 MB/s
Requirement already satisfied: numpy>=1.13.3 in /home/xxx/venv_3.0/lib/python3.6/site-packages (from opencv-python) (1.19.5)
Installing collected packages: opencv-python
Successfully installed opencv-python-4.5.3.56
WARNING: You are using pip version 21.0.1; however, version 21.2.4 is available.
You should consider upgrading via the '/home/morganh/venv_3.0/bin/python -m pip install --upgrade pip' command.

 

$ python
Python 3.6.9 (default, Jan 26 2021, 15:33:00)
[GCC 8.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import cv2
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'cv2'
>>>