Fixing linter errors

Author: petyaslavova

tests/test_asyncio/test_connection_pool.py

@@ -223,8 +223,6 @@ async def test_pool_disconnect(self, master_host):
             assert conn.is_connected
 
 
-
-
 class TestBlockingConnectionPool:
     @asynccontextmanager
     async def get_pool(self, connection_kwargs=None, max_connections=10, timeout=20):

tests/test_connection_pool.py

@@ -280,6 +280,7 @@ def test_pool_disconnect(self, master_host):
         pool.disconnect(inuse_connections=False)
         assert conn._sock
 
+
 class TestConnectionPoolURLParsing:
     def test_hostname(self):
         pool = redis.ConnectionPool.from_url("redis://my.host")