text: import redis
  from assert_helper import *
  from conn import *
  
  def test_pipeline_without_transaction():
      key = "test_pipeline_without_transaction"
      conn = get_redis_conn()
      pipe = conn.pipeline(False)
      pipe.hset(key, "f1", "v1")
      pipe.hset(key, "f2", "v2")
      pipe.hset(key, "f3", "v3")
      pipe.hset(key, "f4", "v4")
      pipe.hlen(key)
      ret = pipe.execute()
      assert(ret == [1, 1, 1, 1, 4])
      ret = conn.delete(key)
      assert(ret == 1)
  