Update serialization (#10584)

* Update serialization.py

* fix

Author: ZHUI

paddlenlp/utils/serialization.py

@@ -25,11 +25,11 @@
 from _io import BufferedReader
 from safetensors import deserialize
 
-from paddlenlp.transformers.utils import device_guard
 from paddlenlp.utils.env import PYTORCH_WEIGHTS_NAME, SAFE_WEIGHTS_NAME
 
 MZ_ZIP_LOCAL_DIR_HEADER_SIZE = 30
 
+
 _TYPES = {
     "F64": np.float64,
     "F32": np.float32,
@@ -206,6 +206,8 @@ def dumpy(*args, **kwarsg):
 
 
 def load_torch(path: str, **pickle_load_args):
+    from paddlenlp.transformers.utils import device_guard
+
     if path.endswith(PYTORCH_WEIGHTS_NAME) or os.path.split(path)[-1].startswith("pytorch_model-"):
         import torch