class Redis::Cluster

def send_script_command(command, &block)
  case command[1].to_s.downcase
  when 'debug', 'kill'
    @node.call_all(command, &block).first
  when 'flush', 'load'
    @node.call_master(command, &block).first
  else assign_node(command).call(command, &block)
  end
end