spree/spree — pull request #3435 by vishalzambre (2013-07-25 06:39:06+00:00)
Title: correcting method self.calculators in calulator.

hey I just check it and not seen any changes on https://github.com/spree/spree/blob/2-0-stable/core/app/models/spree/calculator.rb so I resend new PR please accept it, I want to contribute.