Check if the current compiled version of pytorch supports MPS (#30664)

src/transformers/utils/import_utils.py

@@ -373,7 +373,7 @@ def is_torch_mps_available():
         import torch
 
         if hasattr(torch.backends, "mps"):
-            return torch.backends.mps.is_available()
+            return torch.backends.mps.is_available() and torch.backends.mps.is_built()
     return False