diff --git a/examples/request_stream/client.py b/examples/request_stream/client.py
index a59c4c23..c6c4f73d 100644
--- a/examples/request_stream/client.py
+++ b/examples/request_stream/client.py
@@ -6,5 +6,5 @@ data = ""
 for i in range(1, 250000):
     data += str(i)
 
-r = requests.post('http://0.0.0.0:8000/stream', data=data)
+r = requests.post("http://0.0.0.0:8000/stream", data=data)
 print(r.text)
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)
diff --git a/sanic/utils.py b/sanic/utils.py
index f972eed1..ef214a6b 100644
--- a/sanic/utils.py
+++ b/sanic/utils.py
@@ -22,7 +22,7 @@ def str_to_bool(val: str) -> bool:
     elif val.lower() in ["n", "no", "f", "false", "off", "0"]:
         return False
     else:
-        raise ValueError(f'String value {val} cannot be converted to bool')
+        raise ValueError(f"String value {val} cannot be converted to bool")
 
 
 def load_module_from_file_location(
diff --git a/setup.py b/setup.py
index dfd8d605..41cd8beb 100644
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,9 @@ def open_local(paths, mode="r", encoding="utf8"):
 
 with open_local(["sanic", "__version__.py"], encoding="latin1") as fp:
     try:
-        version = re.findall(r"^__version__ = \"([^']+)\"\r?$", fp.read(), re.M)[0]
+        version = re.findall(
+            r"^__version__ = \"([^']+)\"\r?$", fp.read(), re.M
+        )[0]
     except IndexError:
         raise RuntimeError("Unable to determine version.")
 
@@ -73,7 +75,9 @@ setup_kwargs = {
     "entry_points": {"console_scripts": ["sanic = sanic.__main__:main"]},
 }
 
-env_dependency = '; sys_platform != "win32" ' 'and implementation_name == "cpython"'
+env_dependency = (
+    '; sys_platform != "win32" ' 'and implementation_name == "cpython"'
+)
 ujson = "ujson>=1.35" + env_dependency
 uvloop = "uvloop>=0.5.3" + env_dependency
 types_ujson = "types-ujson" + env_dependency
@@ -140,8 +144,7 @@ def strtobool(val: str) -> bool:
     elif val.lower() in ["n", "no", "f", "false", "off", "0"]:
         return False
     else:
-        raise ValueError(f'String value {val} cannot be converted to bool')
-
+        raise ValueError(f"String value {val} cannot be converted to bool")
 
 
 if strtobool(os.environ.get("SANIC_NO_UJSON", "no")):