diff --git a/grib_processor/main.py b/grib_processor/main.py
index 349de6d752567ce32d158f23e32af728b6ca6f0e..5db261675b6d963ca267d6a0bb358d41d6d52753 100644
--- a/grib_processor/main.py
+++ b/grib_processor/main.py
@@ -64,7 +64,10 @@ def initialize_logging(verbosity: int, rotating_dir: str | None = None) -> None:
 
     if rotating_dir is not None:
         file_handler = logging.handlers.RotatingFileHandler(
-            os.path.join(rotating_dir, LOG_NAME), encoding='utf-8', backupCount=5, maxBytes= 150 * 1024
+            os.path.join(rotating_dir, LOG_NAME),
+            encoding="utf-8",
+            backupCount=5,
+            maxBytes=150 * 1024,
         )
         file_handler.setFormatter(log_formatter)
         file_handler.setLevel(logging.DEBUG)