new_contents: PALINDROME_DB_URI = 'sqlite:///test.db'
  
  # TODO use prod database
  # PALINDROME_DB_URI = (
  #     'mysql+pymysql://jzamb:3Dn}ht*AU2Uz@palindrome.c6rx6kxrdmgi.us-west-2'
  #     '.rds.amazonaws.com:3306/palindrome'
  # )
  
subject: Store db_uri in a constants file