diff --git a/src/veles/device/generic.py b/src/veles/device/generic.py
index 9beaa8e..f5b9662 100644
--- a/src/veles/device/generic.py
+++ b/src/veles/device/generic.py
@@ -3,6 +3,7 @@ from dataclasses import dataclass
 from typing import Dict, Any
 from abc import ABC, abstractmethod
 
+
 @dataclass(slots=True)
 class ReadoutErrorCounter:
     """Class used to track readout errors"""