UPdate.

src/rchat/__main__.py

@@ -5,10 +5,8 @@ from rchat.app import create_app
 
 def main():
     app = create_app()
-    web.run_app(app, port=8080)
+    web.run_app(app, port=3018)
 
 
-# Run the server
 if __name__ == "__main__":
     main()
-# static/index.html

src/rchat/app.py

@@ -33,10 +33,10 @@ class Application(BaseApplication):
         ws = web.WebSocketResponse()
         await ws.prepare(request)
         session = request.session
-        if not 'username' in session:
-            session['username'] = fake.name().split(" ")[0]
-            session['uid'] = str(uuid.uuid4())
-            session['session_id'] = session['uid']
+        if "username" not in session:
+            session["username"] = fake.name().split(" ")[0]
+            session["uid"] = str(uuid.uuid4())
+            session["session_id"] = session["uid"]
 
         username = session["username"]
         session_id = session["session_id"]