diff --git a/sanic/headers.py b/sanic/headers.py
index e1ac48b3..ec3dc237 100644
--- a/sanic/headers.py
+++ b/sanic/headers.py
@@ -3,6 +3,7 @@ import re
 from typing import Any, Dict, Iterable, Optional, Tuple
 from urllib.parse import unquote
 
+
 HeaderIterable = Iterable[Tuple[str, Any]]  # Values convertible to str
 Options = Dict[str, str]  # key=value fields in various headers
 OptionsIterable = Iterable[Tuple[str, str]]  # May contain duplicate keys