fix the bug of get_model_summary

When running this function, the mode of the model should be 'eval'.

Author: sunke123

lib/utils/utils.py

@@ -150,6 +150,7 @@ def hook(module, input, output):
            and module != model:
             hooks.append(module.register_forward_hook(hook))
 
+    model.eval()
     model.apply(add_hooks)
 
     space_len = item_length