HaarCascade Code Error

HaarCascade Code Error.py

import cv2
# mathematical calculations
import numpy as np
# os module class hai
from os import listdir
# fetching data from dir and path
from os.path import isfile, join

data_path = "newFaces/" #saved images
onlyFiles = [f for f in listdir(data_path) if isfile(join(data_path,f))]

Training_data, Labels = [],[]

for i,files in enumerate(onlyFiles):
    image_path = data_path + onlyFiles[i]
    images = cv2.imread(image_path, cv2.IMREAD_GRAYSCALE)
    Training_data.append(np.asarray(images, dtype=np.uint8))
    Labels.append(i)

Labels = np.asarray(Labels, dtype=np.int32)

# LBPG Linear Binary Phase Histogram Face Recognizer
model = cv2.face.LBPHFaceRecognizer_create()

model.train(np.asarray(Training_data),np.asarray(Labels))

print("Model Training Complete")