text: import os
  from .base import BaseConfig
  from flask_socketio import SocketIO
  
  
  class DevelopmentConfig(BaseConfig):
      """Dev config"""
      SERVER_URI = os.environ['UNKLEARN_SERVER_URI']
      REDIS_BROKER_URL = os.environ['UNKLEARN_REDIS_BROKER_URL']
  
      MODES = os.environ['UNKLEARN_RUNTIME_MODES'].split(',')
      LANGUAGES = os.environ['UNKLEARN_RUNTIME_LANGUAGES'].split(',')
  
      SOCKETIO = SocketIO(message_queue=REDIS_BROKER_URL)