old_contents: # Copyright (c) 2016 Luke San Antonio Bialecki
  # All rights reserved.
  
  SQLALCHEMY_DATABASE_URI='sqlite:///db.sqlite3'
  SQLALCHEMY_TRACK_MODIFICATIONS=False
  
new_contents: # Copyright (c) 2016 Luke San Antonio Bialecki
  # All rights reserved.
  
  import os
  SECRET_KEY=os.getenv('INPASSING_SECRET_KEY')
  
  SQLALCHEMY_DATABASE_URI='sqlite:///db.sqlite3'
  SQLALCHEMY_TRACK_MODIFICATIONS=False
  
subject: Use a secret key (get it from an env var)