Update Scripts/mainpaperspacev2.py

Scripts/mainpaperspacev2.py

@@ -895,7 +895,7 @@ def testui(Custom_Path, Previous_Session_Name, Session_Name, User, Password):
     call('git checkout master', shell=True, stdout=open('/dev/null', 'w'), stderr=open('/dev/null', 'w'))
     call('git pull', shell=True, stdout=open('/dev/null', 'w'))
     os.makedirs('/notebooks/sd/stable-diffusion-webui/repositories', exist_ok=True)
-    call('git clone https://github.com/AUTOMATIC1111/stable-diffusion-webui-assets /notebooks/sd/stable-diffusion-webui/repositories/stable-diffusion-webui-assets', shell=True, stdout=open('/dev/null', 'w'))
+    call('git clone https://github.com/AUTOMATIC1111/stable-diffusion-webui-assets /notebooks/sd/stable-diffusion-webui/repositories/stable-diffusion-webui-assets', shell=True, stdout=open('/dev/null', 'w'), stderr=open('/dev/null', 'w'))
     os.chdir('/notebooks')
     clear_output()