Run linter

tests/performance/aiohttp/simple_server.py

@@ -9,10 +9,15 @@ import ujson as json
 loop = uvloop.new_event_loop()
 asyncio.set_event_loop(loop)
 
+
 async def handle(request):
-    return web.Response(body=json.dumps({"test":True}).encode('utf-8'), content_type='application/json')
+    return web.Response(
+        body=json.dumps({"test": True}).encode("utf-8"),
+        content_type="application/json",
+    )
+
 
 app = web.Application(loop=loop)
-app.router.add_route('GET', '/', handle)
+app.router.add_route("GET", "/", handle)
 
 web.run_app(app, port=sys.argv[1], access_log=None)