diff --git a/gunicorn-logging-extension/src/gunicorn_logging_extension/__init__.py b/gunicorn-logging-extension/src/gunicorn_logging_extension/__init__.py
index 8561a40..64dfab5 100644
--- a/gunicorn-logging-extension/src/gunicorn_logging_extension/__init__.py
+++ b/gunicorn-logging-extension/src/gunicorn_logging_extension/__init__.py
@@ -20,7 +20,11 @@ CONFIG_DEFAULTS = {
     "root": {"level": "INFO", "handlers": ["console"]},
     "loggers": {},
     "handlers": {
-        "console": {"class": "logging.StreamHandler", "formatter": "generic", "stream": "ext://sys.stdout"},
+        "console": {
+            "class": "logging.StreamHandler",
+            "formatter": "generic",
+            "stream": "ext://sys.stdout",
+        },
     },
     "formatters": {
         "generic": {
@@ -70,7 +74,9 @@ class Logger(gLogger):
                 defaults = CONFIG_DEFAULTS.copy()
                 defaults["__file__"] = cfg.logconfig
                 defaults["here"] = os.path.dirname(cfg.logconfig)
-                fileConfig(cfg.logconfig, defaults=defaults, disable_existing_loggers=False)
+                fileConfig(
+                    cfg.logconfig, defaults=defaults, disable_existing_loggers=False
+                )
             else:
                 msg = "Error: log config '%s' not found"
                 raise RuntimeError(msg % cfg.logconfig)
@@ -84,10 +90,9 @@ class Logger(gLogger):
             level = self.access_log.warning
         elif resp.status_code >= 500:
             level = self.access_log.error
-        # wrap atoms:
-        # - make sure atoms will be test case insensitively
-        # - if atom doesn't exist replace it by '-'
-        safe_atoms = self.atoms_wrapper_class(self.atoms(resp, req, environ, request_time))
+        safe_atoms = self.atoms_wrapper_class(
+            self.atoms(resp, req, environ, request_time)
+        )
         extra = dict(
             METHOD=environ.get("REQUEST_METHOD"),
             PATH=environ.get("PATH_INFO"),