Make torch.xpu shim catch-all (no-op for any attribute) to survive further internal probes

app.py

@@ -11,17 +11,24 @@ import torch
 # versions unconditionally reference `torch.xpu.empty_cache` at import time
 # (in diffusers.utils.torch_utils), which raises AttributeError. Stub it out.
 if not hasattr(torch, "xpu"):
-    import types
-    torch.xpu = types.SimpleNamespace(
-        empty_cache=lambda: None,
-        is_available=lambda: False,
-        synchronize=lambda *a, **k: None,
-        device_count=lambda: 0,
-        manual_seed=lambda *a, **k: None,
-        reset_peak_memory_stats=lambda *a, **k: None,
-        max_memory_allocated=lambda *a, **k: 0,
-        current_device=lambda: 0,
-    )
+    class _XPUStub:
+        """Stand-in for the `torch.xpu` submodule, absent from this build.
+
+        Several libraries (diffusers, and even torch's own `torch/random.py`)
+        unconditionally reach for `torch.xpu.<attr>` once `hasattr(torch,
+        "xpu")` is True, without gating every call behind `is_available()`.
+        Rather than chase each attribute one by one, any unknown attribute
+        resolves to a harmless no-op that returns 0 (falsy, and safe to use
+        in comparisons/indexing like `torch.xpu.current_device()`).
+        """
+
+        def is_available(self):
+            return False
+
+        def __getattr__(self, _name):
+            return lambda *args, **kwargs: 0
+
+    torch.xpu = _XPUStub()
 
 from huggingface_hub import snapshot_download
 from huggingface_hub.utils import GatedRepoError, RepositoryNotFoundError, RevisionNotFoundError