Avoid a ruby warning.
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3192 e93f8b46-1217-0410-a6f0-8f06a7374b81
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@ -55,7 +55,7 @@ class Workflow < ActiveRecord::Base
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# Copies workflows from source to targets
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def self.copy(source_tracker, source_role, target_trackers, target_roles)
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unless source_tracker.is_a?(Tracker) || source_role.is_a?(Role)
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raise ArgumentError.new "source_tracker or source_role must be specified"
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raise ArgumentError.new("source_tracker or source_role must be specified")
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end
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target_trackers = [target_trackers].flatten.compact
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