diff --git a/src/pystencilssfg/config.py b/src/pystencilssfg/config.py
index 482ca8ec43adca632adb015a4a693e75d361ab9c..34d2f27c0fe2364786a7a58a8afe02ae11654154 100644
--- a/src/pystencilssfg/config.py
+++ b/src/pystencilssfg/config.py
@@ -5,7 +5,6 @@ from argparse import ArgumentParser, BooleanOptionalAction
 from types import ModuleType
 from typing import Any, Sequence, Callable
 from dataclasses import dataclass
-from enum import Enum, auto
 from os import path
 from importlib import util as iutil
 from pathlib import Path
@@ -120,7 +119,7 @@ class SfgConfig(ConfigBase):
 
     header_only: BasicOption[bool] = BasicOption(False)
     """If set to `True`, generate only a header file.
-    
+
     This will cause all definitions to be generated ``inline``.
     """
 
@@ -192,7 +191,7 @@ class CommandLineParameters:
             "--sfg-header-only",
             action=BooleanOptionalAction,
             dest="header_only",
-            help="Generate only a header file."
+            help="Generate only a header file.",
         )
         config_group.add_argument(
             "--sfg-config-module", type=str, default=None, dest="config_module_path"