Update app.py

app.py

@@ -3,9 +3,9 @@ from subprocess import getoutput
 
 gpu_info = getoutput('nvidia-smi')
 if("A10G" in gpu_info):
-    os.system(f"pip install -q https://github.com/camenduru/stable-diffusion-webui-colab/releases/download/0.0.17/xformers-0.0.17+b6be33a.d20230315-cp39-cp39-linux_x86_64.whl")
+    os.system(f"pip install -q https://github.com/camenduru/stable-diffusion-webui-colab/releases/download/0.0.15/xformers-0.0.15+e163309.d20230103-cp38-cp38-linux_x86_64.whl")
 elif("T4" in gpu_info):
-    os.system(f"pip install -q https://github.com/camenduru/stable-diffusion-webui-colab/releases/download/0.0.17/xformers-0.0.17+b6be33a.d20230315-cp39-cp39-linux_x86_64.whl")
+    os.system(f"pip install -q https://github.com/camenduru/stable-diffusion-webui-colab/releases/download/0.0.15/xformers-0.0.15+e163309.d20230103-cp38-cp38-linux_x86_64.whl")
 
 os.system(f"git clone -b v1.5 https://github.com/camenduru/stable-diffusion-webui /home/user/app/stable-diffusion-webui")
 os.chdir("/home/user/app/stable-diffusion-webui")