panda_backup_error:

ubuntu@ip-172-31-20-242:/opt/panda/scripts$ sudo python backup_volumes.py
Enter your AWS Access Key: 
Enter your AWS Secret Key: 
Beginning PANDA backup
Connecting to EC2... connected
Identifying attached volumes...Traceback (most recent call last):
  File "backup_volumes.py", line 50, in <module>
    volumes = [v for v in conn.get_all_volumes() if v.attach_data.instance_id == instance_id]
  File "/usr/local/lib/python2.7/dist-packages/boto/ec2/connection.py", line 1200, in get_all_volumes
    [('item', Volume)], verb='POST')
  File "/usr/local/lib/python2.7/dist-packages/boto/connection.py", line 680, in get_list
    raise self.ResponseError(response.status, response.reason, body)
boto.exception.EC2ResponseError: EC2ResponseError: 403 Forbidden
<?xml version="1.0" encoding="UTF-8"?>
<Response><Errors><Error><Code>UnauthorizedOperation</Code><Message>You are not authorized to perform this operation.</Message></Error></Errors><RequestID>27247847-15b7-41a0-972b-9f8a8a8df100</RequestID></Response>
ubuntu@ip-172-31-20-242:/opt/panda/scripts$ ls
audit_uploads.py  backup_volumes.py  check_po.py  migrate_files_volume.py  migrate_solr_volume.py  migrations
ubuntu@ip-172-31-20-242:/opt/panda/scripts$ exit
logout
Connection to 52.24.178.23 closed.