diff --git a/printing/queue.py b/printing/queue.py
index ea65156..25efd1b 100644
--- a/printing/queue.py
+++ b/printing/queue.py
@@ -7,6 +7,7 @@
 import queue
 import threading
 import time
+
 from dataclasses import dataclass
 from typing import Any, Callable, Dict, Iterable, Mapping, Optional