def clean_parsed_server_attributes(pairs)
      pairs.each do |k, v|
        pairs[k] = if v.empty?
          true
        else
          v.join(" ")
        end
      end
    end
def clean_parsed_server_attributes(pairs)
      pairs.each do |k, v|
        pairs[k] = if v.empty?
          true
        else
          v.join(" ")
        end
      end
    end
Converts attributes with no values to true, and combines everything else into space-
 separated strings.