No module name cv2

[harsh1702]

After installing as per the instructions when I try to run the either of the commands
plotdigitizer --help
plotdigitizer ./figures/trimmed.png -p 0,0 -p 10,0 -p 0,1

the following error shows up, how do I get by this error

Traceback (most recent call last):
File "/home/harsh/.local/bin/plotdigitizer", line 7, in
from PlotDigitizer.plotdigitizer import main
File "/home/harsh/.local/lib/python3.6/site-packages/PlotDigitizer/plotdigitizer.py", line 13, in
import cv2
ModuleNotFoundError: No module named 'cv2'

[dilawar]

You need to install opencv python module.

On linux, https://pkgs.org/download/python3-opencv

On some distros, pip may be able to install https://pypi.org/project/opencv-python/

python3 -m pip install opencv-python