Refactoring: don't clean the queue, it can clean itself.
Refactoring: don't clean the queue, it can clean itself.

chathudan/LazyList,rsrahulee/LazyList,pretizy/LazyList,xiaojiu01/LazyList,peterdocter/LazyList,vaibhav712/imagelist,abdul-khalid/LazyList,yukihane/LazyList,thest1/LazyList,jiachenning/LazyList