How to wait for a step completion in AWS EMR cluster using Boto3

Given a step id I want to wait for that AWS EMR step to finish. How can I achieve this? Is there a built-in function?

At the time of writing, the Boto3 Waiters for EMR allow to wait for Cluster Running and Cluster Termination events:

EMR Waiters

There is now a waiter available for step complete events. It was added in a recent boto3 version.

http://boto3.readthedocs.io/en/latest/reference/services/emr.html#EMR.Waiter.StepComplete

Example code:

import boto3

client = boto3.client("emr")
waiter = client.get_waiter("step_complete")
waiter.wait(
    ClusterId='the-cluster-id',
    StepId='the-step-id',
    WaiterConfig={
        "Delay": 30,
        "MaxAttempts": 10
    }
)