diff --git a/src/socketio/asyncio_redis_manager.py b/src/socketio/asyncio_redis_manager.py
index 23f5cae..73adb44 100644
--- a/src/socketio/asyncio_redis_manager.py
+++ b/src/socketio/asyncio_redis_manager.py
@@ -59,10 +59,11 @@ class AsyncRedisManager(AsyncPubSubManager):  # pragma: no cover
                 async for message in self.pubsub.listen():
                     yield message['data']
             except aioredis.exceptions.RedisError:
-                self._get_logger().error('Cannot receive from redis... '
-                             'retrying in {} secs'.format(retry_sleep))
+                self._get_logger().error(
+                    "Cannot receive from redis... "
+                    "retrying in {} secs".format(retry_sleep)
+                )
                 await asyncio.sleep(retry_sleep)
                 retry_sleep *= 2
                 if retry_sleep > 60:
                     retry_sleep = 60
-
diff --git a/src/socketio/redis_manager.py b/src/socketio/redis_manager.py
index 836dc5b..ebaa347 100644
--- a/src/socketio/redis_manager.py
+++ b/src/socketio/redis_manager.py
@@ -1,4 +1,3 @@
-import logging
 import pickle
 import time
 
@@ -76,8 +75,10 @@ class RedisManager(PubSubManager):  # pragma: no cover
                 for message in self.pubsub.listen():
                     yield message['data']
             except redis.exceptions.RedisError:
-                self._get_logger().error('Cannot receive from redis... '
-                             'retrying in {} secs'.format(retry_sleep))
+                self._get_logger().error(
+                    "Cannot receive from redis... "
+                    "retrying in {} secs".format(retry_sleep)
+                )
                 time.sleep(retry_sleep)
                 retry_sleep *= 2
                 if retry_sleep > 60: