ImportError: DLL load failed: The specified module could not be found.

when I run the command
python -m manim example_scenes.py SquareToCircle -pl

this message is appeared
Traceback (most recent call last):
File "C:\Users\Sabry\AppData\Local\Programs\Python\Python37\lib\runpy.py", lin
e 193, in _run_module_as_main
"__main__", mod_spec)
File "C:\Users\Sabry\AppData\Local\Programs\Python\Python37\lib\runpy.py", lin
e 85, in _run_code
exec(code, run_globals)
File "C:\Manim\manim_3_feb\manim.py", line 9, in
config = manimlib.config.get_configuration(args)
File "C:\Manim\manim_3_feb\manimlib\config.py", line 158, in get_configuration

module = get_module(args.file)
File "C:\Manim\manim_3_feb\manimlib\config.py", line 153, in get_module
spec.loader.exec_module(module)
File "", line 728, in exec_module
File "", line 219, in _call_with_frames_removed
File "example_scenes.py", line 3, in
from big_ol_pile_of_manim_imports import *
File "C:\Manim\manim_3_feb\big_ol_pile_of_manim_imports.py", line 81, in
from manimlib.scene.scene_from_video import *
File "C:\Manim\manim_3_feb\manimlib\scene\scene_from_video.py", line 2, in
import cv2
File "C:\Users\Sabry\AppData\Local\Programs\Python\Python37\lib\site-packages\
cv2\__init__.py", line 3, in
from .cv2 import *
ImportError: DLL load failed: The specified module could not be found.