new_contents: import orm
  from models import User
  from orm import create_pool,destory_pool
  import asyncio
  
  loop = asyncio.get_event_loop()
  
  @asyncio.coroutine
  async def test():
      await orm.create_pool(loop, user='root', password='rootroot', db='stock')
      u = User(name='Test', email='test@example.com', passwd='1234567890', image='about:blank')
      await u.save()
      await destory_pool()
  
  loop.run_until_complete(test())
  loop.close()
subject: add a test file