Utkarsh Mishra

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yes true. Encapsulation is very important in any programming language.

firstly check-in your directory named as or similar to C:/Python/Lib/site-packages/cv2 XML files are present if they are, then instead of ./opencv/haarcascades/haarcascade_frontalface_default.xml use the same XML file name from your directory....

firstly check all the installed packages if any package is missing then install them and if all packages are installed successfully then make sure that in C:\Python\Lib\site-packages\cv2 directory there is...