remove extra slash

src/app.py

@@ -6,7 +6,7 @@ app = Flask(__name__, static_url_path="/", static_folder="public")
 app.register_blueprint(index, url_prefix="/index")
 
 
-@app.route('/')
+@app.route("/")
 def root():
     return redirect("index")
 

src/routes/index.py

@@ -4,6 +4,6 @@ from config import Config
 router = Blueprint("index", __name__)
 
 
-@router.route("/")
+@router.route("")
 def index():
     return render_template("index.html", name=Config.name)