chore: upload app/__init__.py

app/__init__.py

@@ -0,0 +1,46 @@
+"""ai-chatbot backend application."""
+__version__ = "0.1.0"
+
+# Monkey patch transformers to bypass torch.load safety check on old PyTorch versions (macOS x86_64)
+try:
+    import transformers.utils.import_utils
+    transformers.utils.import_utils.check_torch_load_is_safe = lambda *args, **kwargs: None
+    transformers.utils.import_utils.is_torch_mps_available = lambda *args, **kwargs: False
+except ImportError:
+    pass
+
+try:
+    import transformers.modeling_utils
+    transformers.modeling_utils.check_torch_load_is_safe = lambda *args, **kwargs: None
+except ImportError:
+    pass
+
+# Force CPU device for PyTorch MPS on Intel Macs to prevent NotImplementedError
+try:
+    import torch
+    torch.backends.mps.is_available = lambda: False
+    torch.backends.mps.is_built = lambda: False
+    if hasattr(torch, "mps"):
+        torch.mps.is_available = lambda: False
+except ImportError:
+    pass
+
+# Force CPU device for accelerate to avoid MPS auto mapping
+try:
+    import accelerate.utils
+    accelerate.utils.is_mps_available = lambda *args, **kwargs: False
+except ImportError:
+    pass
+
+try:
+    import accelerate.utils.imports
+    accelerate.utils.imports.is_mps_available = lambda *args, **kwargs: False
+except ImportError:
+    pass
+
+# Force CPU device for Docling to prevent early MPS detection during import
+try:
+    import docling.utils.accelerator_utils
+    docling.utils.accelerator_utils.decide_device = lambda *args, **kwargs: "cpu"
+except ImportError:
+    pass