cleaned code

lightrag/kg/redis_impl.py

@@ -20,7 +20,7 @@ class RedisKVStorage(BaseKVStorage):
         redis_url = os.environ.get("REDIS_URI", "redis://localhost:6379")
         self._redis = Redis.from_url(redis_url, decode_responses=True)
         logger.info(f"Use Redis as KV {self.namespace}")
-        
+
     async def get_by_id(self, id):
         data = await self._redis.get(f"{self.namespace}:{id}")
         return json.loads(data) if data else None
@@ -53,4 +53,4 @@ class RedisKVStorage(BaseKVStorage):
     async def drop(self) -> None:
         keys = await self._redis.keys(f"{self.namespace}:*")
         if keys:
-            await self._redis.delete(*keys)
+            await self._redis.delete(*keys)