adding xformers back before launching WebUI

app.py

@@ -90,6 +90,10 @@ else:
     os.system(f'echo "Downloading Protogen X3.4 Stable Diffusion model..."')
     os.system(f"wget -q https://huggingface.co/darkstorm2150/Protogen_x3.4_Official_Release/resolve/main/ProtoGen_X3.4.safetensors  -O /home/user/app/stable-diffusion-webui/models/Stable-diffusion/ProtoGen_X3.4.safetensors")
 
+    # Install xformers for attention optimization
+    os.system(f'echo "Installing xformers for attention optimization..."')
+    os.system(f"pip install xformers==0.0.25")
+    
     # Launch WebUI with custom settings
     os.system(f'echo "Starting WebUI with custom configurations..."')
     os.system(f"python launch.py --force-enable-xformers --ui-config-file /home/user/app/shared-ui-config.json --ui-settings-file /home/user/app/shared-config.json --disable-console-progressbars --enable-console-prompts --cors-allow-origins huggingface.co,hf.space --no-progressbar-hiding --api --skip-torch-cuda-test")