mozilla/bedrock — pull request #737 by khalifenizar (2013-04-02 18:46:12+00:00)
Title: Bug 835506: Fix error 500 in Download Tab

In Python 2.6, curly brace placeholders used in the str.format() must have an identifier. See http://stackoverflow.com/questions/10054122/valueerror-zero-length-field-name-in-format-python.