KeyError: 'unexpected key "module.feature_extraction.firstconv.0.0.weight" in state_dict'

if args.loadmodel is not None:
    state_dict = torch.load(args.loadmodel)
    from collections import OrderedDict
    new_state_dict = OrderedDict()
    for k, v in state_dict.items():
       name = k[0:9] + k[16:] # remove `module.`
       if k[0] == 'f':
            new_state_dict[name] = v
       else:
           new_state_dict[k] = v
    model.load_state_dict(new_state_dict['state_dict'])
    model.cpu()

the error is:
KeyError: ‘unexpected key “module.feature_extraction.firstconv.0.0.weight” in state_dict’