Update setup_blender.sh

setup_blender.sh

@@ -65,8 +65,9 @@ echo "PyTorch and Torchvision installation complete."
 # --- Install the rest of the packages from unirig_requirements.txt SECOND ---
 # This will now install torch-scatter, torch-cluster (using the -f flags in the file),
 # and all other dependencies. Pip will skip torch/torchvision as they are already installed.
+# Added --no-build-isolation to potentially help builds find already installed packages like torch.
 echo "Installing remaining packages from ${UNIRIG_REQS_FILE} (including torch-scatter/cluster via -f flags)..."
-"${BLENDER_PY_EXEC}" -m pip install --no-cache-dir -r "${UNIRIG_REQS_FILE}"
+"${BLENDER_PY_EXEC}" -m pip install --no-cache-dir --no-build-isolation -r "${UNIRIG_REQS_FILE}"
 
 echo "UniRig dependency installation for Blender Python complete."