import cv2

# OpenCV Haar Cascade
FACE_CASCADE = cv2.CascadeClassifier(
    cv2.data.haarcascades +
    "haarcascade_frontalface_default.xml"
)


def detect_faces(image):

    gray = cv2.cvtColor(
        image,
        cv2.COLOR_BGR2GRAY
    )

    faces = FACE_CASCADE.detectMultiScale(

        gray,

        scaleFactor=1.1,

        minNeighbors=5,

        minSize=(60, 60)

    )

    return faces