code: def get_release_branch():
      """Retrieve the release branch from the release PR"""
  
      url = "https://api.github.com/repos/streamlit/streamlit/pulls"
      response = requests.get(url).json()
  
      # Response is in an array, must map over each pull (dict)
      for pull in response:
          ref = check_for_release_pr(pull)
          if ref != None:
              return ref
  
imports: import requests
label_desc: Use image node_id 2 for calling a global function with example usage: get_release_branch() and returns: ref