Cleanup and remove some deprecated code

examples/run_asgi.py

@@ -10,6 +10,7 @@ from pathlib import Path
 
 from sanic import Sanic, response
 
+
 app = Sanic(__name__)
 
 
@@ -42,7 +43,9 @@ async def handler_file(request):
 
 @app.route("/file_stream")
 async def handler_file_stream(request):
-    return await response.file_stream(Path("../") / "setup.py", chunk_size=1024)
+    return await response.file_stream(
+        Path("../") / "setup.py", chunk_size=1024
+    )
 
 
 @app.route("/stream", stream=True)