old_contents: import os
  
  
  if os.environ.get('DATABASE_URL') is None:
      SQLALCHEMY_DATABASE_URI = 'sqlite:///meetup.db'
  else:
      SQLALCHEMY_DATABASE_URI = os.environ['DATABASE_URL']
  
  SQLALCHEMY_TRACK_MODIFICATIONS = False  # supress deprecation warning
  
  ACCESS_TOKEN = os.environ['ACCESS_TOKEN']
  PAGE_ID = os.environ['PAGE_ID']
  APP_ID = os.environ['APP_ID']
  VERIFY_TOKEN = os.environ['VERIFY_TOKEN']
  
new_contents: import os
  
  SQLALCHEMY_DATABASE_URI = os.environ['DATABASE_URL']
  SQLALCHEMY_TRACK_MODIFICATIONS = False  # suppress deprecation warning
  
  ACCESS_TOKEN = os.environ['ACCESS_TOKEN']
  PAGE_ID = os.environ['PAGE_ID']
  APP_ID = os.environ['APP_ID']
  VERIFY_TOKEN = os.environ['VERIFY_TOKEN']
  
subject: Remove automatic fallback to SQLite