Disable SageAttention to avoid CPU errors

app.py

@@ -23,13 +23,13 @@ def apply_sage_attention_patch():
         from comfy import model_management
         import sageattention
         print("--- [Runtime Patch] sageattention package found. Applying patch... ---")
-        # Safely set flags if they exist; on CPU-only setups model_management may be limited.
+        # Disable SageAttention to avoid runtime errors on CPU‑only setups.
         if hasattr(model_management, "sage_attention_enabled"):
-            model_management.sage_attention_enabled = lambda: True
+            model_management.sage_attention_enabled = lambda: False
         if hasattr(model_management, "pytorch_attention_enabled"):
-            model_management.pytorch_attention_enabled = lambda: False
+            model_management.pytorch_attention_enabled = lambda: True
         SAGE_PATCH_APPLIED = True
-        return "✅ Successfully enabled SageAttention."
+        return "✅ Successfully disabled SageAttention (using standard PyTorch attention)."
     except Exception as e:
         SAGE_PATCH_APPLIED = False
         msg = f"--- [Runtime Patch] ⚠️ SageAttention patch could not be applied: {e} ---"

requirements.txt

@@ -1,46 +1,46 @@
-comfyui-frontend-package==1.45.20
-comfyui-workflow-templates==0.11.1
-comfyui-embedded-docs==0.5.6
-torch
-torchsde
-torchvision
-torchaudio
-numpy>=1.25.0
-einops
-transformers>=4.50.3
-tokenizers>=0.13.3
-sentencepiece
-safetensors>=0.4.2
-aiohttp>=3.11.8
-yarl>=1.18.0
-pyyaml
-Pillow
-scipy
-tqdm
-psutil
-alembic
-SQLAlchemy>=2.0.0
-filelock
-av>=16.0.0
-comfy-kitchen==0.2.16
-comfy-aimdo==0.4.10
-requests
-simpleeval>=1.0.0
-blake3
-
-#non essential dependencies:
-kornia>=0.7.1
-spandrel
-pydantic~=2.0
-pydantic-settings~=2.0
-PyOpenGL>=3.1.8
-comfy-angle
-
-
-diffusers
-protobuf
-insightface
-huggingface-hub
-imageio
-spaces
-sageattention @ https://huggingface.co/RioShiina/Sage-Attention-ZeroGPU-Space-Build/resolve/main/sageattention-2.2.0-cp312-cp312-linux_x86_64.whl
+comfyui-frontend-package==1.45.20
+comfyui-workflow-templates==0.11.1
+comfyui-embedded-docs==0.5.6
+# torch
+# torchsde
+# torchvision
+# torchaudio
+numpy>=1.25.0
+einops
+transformers>=4.50.3
+tokenizers>=0.13.3
+sentencepiece
+safetensors>=0.4.2
+aiohttp>=3.11.8
+yarl>=1.18.0
+pyyaml
+Pillow
+scipy
+tqdm
+psutil
+alembic
+SQLAlchemy>=2.0.0
+filelock
+av>=16.0.0
+comfy-kitchen==0.2.16
+comfy-aimdo==0.4.10
+requests
+simpleeval>=1.0.0
+blake3
+
+#non essential dependencies:
+kornia>=0.7.1
+spandrel
+pydantic~=2.0
+pydantic-settings~=2.0
+PyOpenGL>=3.1.8
+comfy-angle
+
+
+diffusers
+protobuf
+insightface
+huggingface-hub
+imageio
+spaces
+# sageattention @ https://huggingface.co/RioShiina/Sage-Attention-ZeroGPU-Space-Build/resolve/main/sageattention-2.2.0-cp312-cp312-linux_x86_64.whl