Comment by dimberman

Unfortunately that is one feature that we had to take out, but you should check out the TaskFlow API, it's a very worthwhile trade-off!

Edit:

Sorry I misspoke here

The only thing that is no longer allowed is using a bitshift operator between a DAG and a task.

  task_1 >> task_2

is totally fine

  my_dag >> task_1

Is no longer allowed. Apologies for the miscommunication.