code: def clean():
      with open(CHANGELOG_FILE) as change_file:
          content = change_file.read()
  
      # remove empty/unused sections
      content = re.sub(
          r"## [\w^:\n ]*No changes to highlight.", "", content
      )
      content = content.replace("# gradio", "# Changelog")
  
      return content
  
imports: import json
  import os
  import re
label_desc: Use image node_id 1 for calling a global function with example usage: clean() and returns: content