Revert "there is no redis.asyncio.__version__"

This reverts commit dd1ec4da73.

telebot/asyncio_storage/redis_storage.py

@@ -3,15 +3,11 @@ import json
 
 
 redis_installed = True
-aioredis_version = None
 try:
     import aioredis
-    aioredis_version = tuple(map(int, aioredis.__version__.split(".")[0]))
 except ImportError:
     try:
-        import redis
         from redis import asyncio as aioredis
-        aioredis_version = tuple(map(int, redis.__version__.split(".")[0]))
     except ImportError:
         redis_installed = False
 
@@ -28,6 +24,7 @@ class StateRedisStorage(StateStorageBase):
             raise ImportError('AioRedis is not installed. Install it via "pip install aioredis"')
 
 
+        aioredis_version = tuple(map(int, aioredis.__version__.split(".")[0]))
         if aioredis_version < (2,):
             raise ImportError('Invalid aioredis version. Aioredis version should be >= 2.0.0')
         self.redis = aioredis.Redis(host=host, port=port, db=db, password=password)