Fix linting errors

sanic/app.py

@@ -49,7 +49,6 @@ from sanic.asgi import ASGIApp
 from sanic.base import BaseSanic
 from sanic.blueprint_group import BlueprintGroup
 from sanic.blueprints import Blueprint
-from sanic.compat import OS_IS_WINDOWS
 from sanic.config import BASE_LOGO, SANIC_PREFIX, Config
 from sanic.exceptions import (
     InvalidUsage,

sanic/server/__init__.py

@@ -17,6 +17,7 @@ def use_uvloop() -> None:
     """
     try:
         import uvloop  # type: ignore
+
         if strtobool(os.environ.get("SANIC_NO_UVLOOP", "no")):
             error_logger.warning(
                 "You are running Sanic using uvloop, but the "