Ah! Try setting the dns_compliant_bucket_names option to False. By default, we use the naming requirements for non-US-East regions, so the name "c0" seems to be invalid; it looks like the bucket name is too short. From S3's docs,
> The rules for DNS-compliant bucket names are:
>
> * Bucket names must be at least 3 and no more than 63 characters long.
> * ...
Ah! Try setting the dns_compliant_ bucket_ names option to False. By default, we use the naming requirements for non-US-East regions, so the name "c0" seems to be invalid; it looks like the bucket name is too short. From S3's docs,
> The rules for DNS-compliant bucket names are:
>
> * Bucket names must be at least 3 and no more than 63 characters long.
> * ...
See http:// docs.aws. amazon. com/AmazonS3/ latest/ dev/BucketRestr ictions. html#bucketnami ngrules