code: def get_closed_pull_requests():
      icevision_repo = g.get_repo("airctic/icevision")
      pull_requests = icevision_repo.get_pulls(state="closed")
      return pull_requests
  
file_path: icevision/update_changelog.py
imports: import argparse
  from io import StringIO
  import json
  from github import Github
label_desc: Use image node_id 1 for calling a global function with example usage: get_closed_pull_requests() and returns: pull_requests