henchbot_blogpost_1.py

from yaml import safe_load as load
import requests

url_requirements = "https://raw.githubusercontent.com/jupyterhub/mybinder.org-deploy/master/mybinder/requirements.yaml"
requirements = load(requests.get(url_requirements).text)
binderhub_dep = [ii for ii in requirements['dependencies'] if ii['name'] == 'binderhub'][0]
bhub_live = binderhub_dep['version'].split('-')[-1]
print(bhub_live)