Access Denied Downloading Model Weights

[levinwil]

Thanks for your error report and we appreciate it a lot.

Checklist

1. I have searched related issues but cannot get the expected help.
2. The bug has not been fixed in the latest version.

Describe the bug
I have errors downloading all model weights. As an example https://open-mmlab.s3.ap-northeast-2.amazonaws.com/mmdetection/v2.0/atss/atss_r50_fpn_1x_coco/atss_r50_fpn_1x_coco_20200209-985f7bd0.pth

I get access Denied