[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

tests/test_gateway.py

@@ -399,8 +399,8 @@ def test_gateway_request_with_expiring_cookies(
     cookie.load("SERVERID=1234567; Path=/")
     if expire_arg == "Expires":
         expire_param = format_datetime(
-                datetime.now(tz=timezone.utc) +
-                timedelta(seconds=expire_param))
+            datetime.now(tz=timezone.utc) + timedelta(seconds=expire_param)
+        )
     if expire_arg:
         cookie["SERVERID"][expire_arg] = expire_param