class I18n::Railtie

def self.init_fallbacks(fallbacks)
  include_fallbacks_module
  args = case fallbacks
  when ActiveSupport::OrderedOptions
    [*(fallbacks[:defaults] || []) << fallbacks[:map]].compact
  when Hash, Array
    Array.wrap(fallbacks)
  else # TrueClass
    []
  end
  I18n.fallbacks = I18n::Locale::Fallbacks.new(*args)
end