Coflux is an open-source workflow engine. Use it to orchestrate and observe computational workflows, defined in plain Python. Suitable for data pipelines, background tasks, chat bots.

from coflux import workflow, task
import requests

@task(retries=2)
def fetch_splines(url):
    return requests.get(url).json()

@task()
def reticulate(splines):
    return list(reversed(splines))

@workflow()
def my_workflow(url):
    reticulate(fetch_splines(url))

Refer to the docs for more details.