No module named 'RRDBNet_arch

[Worrah]

hello. i've got this error when trying to run test.py
what am i doing wrong?

22-09-05 05:02:28.757 - INFO: Loading model for G [D:\Bots\RealSR\model_new.pth] ...
Traceback (most recent call last):
File "D:\Bots\RealSR\test.py", line 35, in
model = create_model(opt)
File "D:\Bots\RealSR\models_init_.py", line 18, in create_model
m = M(opt)
File "D:\Bots\RealSR\models\SRGAN_model.py", line 127, in init
self.load() # load G and D if needed
File "D:\Bots\RealSR\models\SRGAN_model.py", line 352, in load
self.load_network(load_path_G, self.netG, self.opt['path']['strict_load'])
File "D:\Bots\RealSR\models\base_model.py", line 90, in load_network
load_net = torch.load(load_path)
File "C:\Users\Wolh\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\serialization.py", line 713, in load
return _legacy_load(opened_file, map_location, pickle_module, **pickle_load_args)
File "C:\Users\Wolh\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\serialization.py", line 930, in _legacy_load
result = unpickler.load()
File "C:\Users\Wolh\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\serialization.py", line 746, in find_class
return super().find_class(mod_name, name)
ModuleNotFoundError: No module named 'RRDBNet_arch'