code: def update_changelog_file(markdown_update_text):
      changelogs_head, changelog_body = load_changelogs()
      new_changelog_file = """"""
      new_changelog_file = changelogs_head
      new_changelog_file += "[comment]: # (Add changes below)\n\n"
      new_changelog_file += markdown_update_text
      new_changelog_file += changelog_body
      with open("CHANGELOG.md", "w") as f:
          f.write(new_changelog_file)
  
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 10 for calling a global function with example usage: update_changelog_file(markdown_update_text) without return types