not working

Hi Leetinki
when i was executed the program it shows the following warning, could you help me in resolving this problem. i'm trying to make a program that could analyse the pattern of gait based on deeplearning using python.
Loading the model...ah
Traceback (most recent call last):
File "C:/Users/LORD PARKER/PycharmProjects/untitled10/camera_pose_demo.py", line 29, in
pose_detector = PoseDetector("posenet", "models/coco_posenet.npz", device=args.gpu)
File "C:\Users\LORD PARKER\PycharmProjects\untitled10\pose_detector.py", line 24, in init
serializers.load_npz(weights_file, self.model)
File "C:\Users\LORD PARKER\PycharmProjects\untitled10\venv\lib\site-packages\chainer\serializers\npz.py", line 177, in load_npz
with numpy.load(file) as f:
File "C:\Users\LORD PARKER\PycharmProjects\untitled10\venv\lib\site-packages\numpy\lib\npyio.py", line 372, in load
fid = open(file, "rb")
FileNotFoundError: [Errno 2] No such file or directory: 'models/coco_posenet.npz'

Process finished with exit code 1