Ordena la lista por fecha

flask_crud/app.py

@@ -1,5 +1,6 @@
 from flask import Flask, render_template, redirect, url_for, request
 from flask_sqlalchemy import SQLAlchemy
+from sqlalchemy import desc,asc
 from flask_migrate import Migrate
 from flask_login import LoginManager, login_required, current_user
 
@@ -29,7 +30,7 @@ app.register_blueprint(auth_blueprint)
 
 @app.route('/')
 def index():
-    repostajes = Carburante.query.all()
+    repostajes = Carburante.query.order_by(desc(Carburante.fecha)).all()
     return render_template('index.html', repostajes=repostajes)
 
 @app.route('/add', methods=['GET', 'POST'])