fix nontorch failure

Signed-off-by: yisheng <[email protected]>

Author: ys950902

accelerator/real_accelerator.py

@@ -131,17 +131,22 @@ def get_accelerator():
         if accelerator_name is None:
             try:
                 import intel_extension_for_pytorch as ipex
+
                 if ipex._C._has_xpu():
                     accelerator_name = "xpu"
             except ImportError as e:
+                pass
+        if accelerator_name is None:
+            try:
                 import torch
+                
                 if hasattr(torch, 'xpu'):
                     if torch.xpu.is_available():
                         accelerator_name = "xpu"
                     else:
                         pass
-                else:
-                    pass
+            except ImportError as e:
+                pass
         if accelerator_name is None:
             try:
                 import torch_npu  # noqa: F401,F811 # type: ignore