replace aioredis with redis

requirements.txt

@@ -1,5 +1,5 @@
 quart
-aioredis>=2.0.0
+redis>=4.2.0rc1
 aiohttp
 aiofiles
 quart_session

wowlet_backend/factory.py

@@ -10,7 +10,7 @@ from datetime import datetime
 from asyncio_multisubscriber_queue import MultisubscriberQueue
 from quart import Quart
 from quart_session import Session
-import aioredis
+from redis import asyncio as aioredis
 
 from wowlet_backend.utils import print_banner
 import settings