update gen_wts.py

yolov9/gen_wts.py

@@ -32,7 +32,7 @@ def parse_args():
 print(f'Loading {pt_file}')
 device = select_device('cpu')
 model = torch.load(pt_file, map_location=device)  # Load FP32 weights
-model.model.float()
+model = model['model'].float()
 
 if m_type in ['detect', 'seg']:
     # update anchor_grid info
@@ -67,4 +67,4 @@ def parse_args():
     for k, v in model.state_dict().items():
         vr = v.reshape(-1).cpu().numpy()
         f.write('{} {} '.format(k, len(vr)))
-        f.write('\n')
+        f.write('\n')