pytorch/maskrcnn:url of extract_dataset.sh is invalid

[LeopoldACC]

when I run command as below

wget https://raw.githubusercontent.com/mlperf/training/master/object_detection/caffe2/extract_dataset.sh

The bug is shown as below

wget https://raw.githubusercontent.com/mlperf/training/master/object_detection/caffe2/extract_dataset.sh
--2021-04-20 18:34:51--  https://raw.githubusercontent.com/mlperf/training/master/object_detection/caffe2/extract_dataset.sh
Proxy request sent, awaiting response... 404 Not Found
2021-04-20 18:34:53 ERROR 404: Not Found.

[LeopoldACC]

the command of download pretrained model is also

../download_weights.sh

the bug is shown as below

../download_weights.sh
--2021-04-20 18:42:29--  https://s3-us-west-2.amazonaws.com/detectron/ImageNetPretrained/MSRA/R-50.pkl
Proxy request sent, awaiting response... 301 Moved Permanently
Location: unspecified
ERROR: Redirection (301) without location.