diff --git a/sanic/config.py b/sanic/config.py
index ac147ef3..2e387ebd 100644
--- a/sanic/config.py
+++ b/sanic/config.py
@@ -39,7 +39,7 @@ DEFAULT_CONFIG = {
     "REQUEST_TIMEOUT": 60,  # 60 seconds
     "RESPONSE_TIMEOUT": 60,  # 60 seconds
     "USE_UVLOOP": _default,
-    "WEBSOCKET_MAX_SIZE": 2 ** 20,  # 1 megabyte
+    "WEBSOCKET_MAX_SIZE": 2**20,  # 1 megabyte
     "WEBSOCKET_PING_INTERVAL": 20,
     "WEBSOCKET_PING_TIMEOUT": 20,
 }
diff --git a/sanic/headers.py b/sanic/headers.py
index b4457653..5e4ded03 100644
--- a/sanic/headers.py
+++ b/sanic/headers.py
@@ -18,7 +18,7 @@ Options = Dict[str, Union[int, str]]  # key=value fields in various headers
 OptionsIterable = Iterable[Tuple[str, str]]  # May contain duplicate keys
 
 _token, _quoted = r"([\w!#$%&'*+\-.^_`|~]+)", r'"([^"]*)"'
-_param = re.compile(fr";\s*{_token}=(?:{_token}|{_quoted})", re.ASCII)
+_param = re.compile(rf";\s*{_token}=(?:{_token}|{_quoted})", re.ASCII)
 _firefox_quote_escape = re.compile(r'\\"(?!; |\s*$)')
 _ipv6 = "(?:[0-9A-Fa-f]{0,4}:){2,7}[0-9A-Fa-f]{0,4}"
 _ipv6_re = re.compile(_ipv6)