RuntimeError: Unable to open ./weights/shape_predictor_68_face_landmarks.dat

问题遇到的现象和发生背景
问题相关代码,请勿粘贴截图

Traceback (most recent call last):
File "train.py", line 19, in
from dataprocess.FFdata import FaceForensicsDataset
File "D:\2\project\SLADD-main\src\dataprocess\FFdata.py", line 13, in
predictor = dlib.shape_predictor('./weights/shape_predictor_68_face_landmarks.dat')
RuntimeError: Unable to open ./weights/shape_predictor_68_face_landmarks.dat

img

运行结果及报错内容

这个为什么打不开,相应包我安装了

我的解答思路和尝试过的方法
我想要达到的结果