uri_ext.rb

require 'uri'
require 'addressable/uri'

module URI
  class << self
    def parse(*args)
      Addressable::URI.parse *args
    end

    def escape(*args)
      Addressable::URI.escape *args
    end

    def unescape(*args)
      Addressable::URI.unescape *args
    end
  end
end

class Addressable::URI
  def find_proxy
    nil
  end
end