reformat

Signed-off-by: kirill <kirill.milkin05@mail.ru>

demo/routes.py

@@ -6,7 +6,6 @@ def setup_routes(app):
   app.router.add_routes([aiohttp.web.get('/index.html', frontend.index),
                          aiohttp.web.post('/submit', frontend.button_clicked),
                          aiohttp.web.get('/index_2.html', frontend.index_2),
-                         aiohttp.web.get('/ws', frontend.websocket_handler)
+                         aiohttp.web.get('/ws', frontend.websocket_handler),]
-                        ]
                         )