diff --git a/test/conftest.py b/test/conftest.py
index 28ca8db..61d42ca 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -1,4 +1,5 @@
 import pytest
+
 from escpos.exceptions import DeviceNotFoundError
 from escpos.printer import LP, CupsPrinter, Dummy, File, Network, Serial, Usb, Win32Raw