old_contents: import os
  
  SECRET_KEY = os.getenv('SECRET_KEY', '13*#iT@1MT1!Satg')
  NOTIFY_API_KEY = os.getenv('NOTIFY_API_KEY',
                             'test-92f7f929-38ba-4425-91a2-86e17dfb7d5a-8e4bb9ee-7c9e-4c8c-b84c-720b9c1b7a41')
  
new_contents: import os
  
  SECRET_KEY = os.getenv('SECRET_KEY', '13*#iT@1MT1!Satg')
  NOTIFY_API_KEY = os.getenv('NOTIFY_API_KEY')
  
subject: remove default key