old_contents: from tibanna.vars import *
  import os
  
  SECRET = os.environ.get("SECRET", '')
  
  # default step function name
  TIBANNA_DEFAULT_STEP_FUNCTION_NAME = os.environ.get('TIBANNA_DEFAULT_STEP_FUNCTION_NAME', 'tibanna_pony')
  AWS_REGION = os.environ.get('TIBANNA_AWS_REGION', 'us-east-1')
  
new_contents: from tibanna.vars import *
  import os
  
  SECRET = os.environ.get("SECRET", '')
  S3_ENCRYPT_KEY = os.environ.get("S3_ENCRYPT_KEY", '')
  
  # default step function name
  TIBANNA_DEFAULT_STEP_FUNCTION_NAME = os.environ.get('TIBANNA_DEFAULT_STEP_FUNCTION_NAME', 'tibanna_pony')
  AWS_REGION = os.environ.get('TIBANNA_AWS_REGION', 'us-east-1')
  
subject: add env var