I believe this is fixed in upstream github.com/s3tools/s3cmd master branch.

On Tue, Sep 10, 2013 at 1:15 PM, Bill Torcaso <btorcaso@knome.com> wrote:

I should have mentioned that the GZ file in question is around 225 MB.

Bill Torcaso

Knome Inc.
25 First Street, Suite 107
Cambridge, MA  02141

The Human Genome Interpretation Company

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From: Bill Torcaso <btorcaso@knome.com>
Date: Tuesday, September 10, 2013 2:12 PM
To: "s3tools-bugs@lists.sourceforge.net" <s3tools-bugs@lists.sourceforge.net>
Cc: Bill Torcaso <btorcaso@knome.com>
Subject: Reporting an internal error: "KeyError: 'size'"


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