diff --git a/src/flake8/options/config.py b/src/flake8/options/config.py
index e762f45..6f6a4ec 100644
--- a/src/flake8/options/config.py
+++ b/src/flake8/options/config.py
@@ -13,8 +13,10 @@ from flake8.options.manager import OptionManager
 LOG = logging.getLogger(__name__)
 DEFAULT_CANDIDATES = ("setup.cfg", "tox.ini", ".flake8")
 ADDITIONAL_CANDIDATES = ("flake8",)
-ADDITIONAL_LOCATIONS = (os.path.expanduser(r'~'),
-                        os.path.expanduser(r'~/.config'))
+ADDITIONAL_LOCATIONS = (
+    os.path.expanduser(r"~"),
+    os.path.expanduser(r"~/.config"),
+)
 
 
 def _is_config(path: str) -> bool: