old_contents: #!venv/bin/python
  from app import app
  
  if __name__ == '__main__':
      app.run(host='0.0.0.0', port=5000)
  
new_contents: #!venv/bin/python
  from app import app
  
  if __name__ == '__main__':
      app.run(host='0.0.0.0', port=5005)
  
subject: Change port