fix redis

pomodoro_bot/redis_client.py

@@ -1,10 +1,10 @@
-import aioredis
+import redis.asyncio as redis
 import os
 
-redis = None
+r = None
 
 async def init_redis():
-    global redis
-    redis = await aioredis.from_url(
+    global r
+    r = redis.Redis.from_url(
         os.getenv("REDIS_URL", "redis://localhost"), decode_responses=True
-    )
+    )