refractor from flask template

app/views/__init__.py

@@ -1,3 +1 @@
-import flask
-
 from . import simple_views

app/views/simple_views.py

@@ -1,15 +1,14 @@
 from datetime import datetime
 import os
-from ..app import app
-from flask import Blueprint, render_template
 
-simple_views = Blueprint("views", __name__, template_folder=os.path.join(
-    os.path.dirname(__file__), "templates"))
+from fastapi import Request
+from fastapi.responses import HTMLResponse
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
+
+from app.app import app, jinja
 
 
-@simple_views.get("/")
-def index_page():
-    return render_template("index.html", now=datetime.now())
-
-
-app.register_blueprint(simple_views)
+@app.get("/", response_class=HTMLResponse)
+async def index_page(request: Request):
+    return jinja.TemplateResponse("index.html", context=dict(request=request, now=datetime.now()))