cleanup

Author: xieyongliang

webui.py

@@ -78,7 +78,7 @@
     region_name = boto3.session.Session().region_name
     s3_client = boto3.client('s3', region_name=region_name)
     endpointUrl = s3_client.meta.endpoint_url
-    s3_client = boto3.client('s3', endpoint_url=endpointUrl, region_name=region_name, config=boto3.session.Config(s3={'addressing_style': 'virtual'}, signature_version='s3v4'))
+    s3_client = boto3.client('s3', endpoint_url=endpointUrl, region_name=region_name)
     s3_resource= boto3.resource('s3')
 
 startup_timer.record("other imports")