Delete Info DB

@app.route('/posts/<int:post_id>/delete', methods=['POST'])
@login_required
def delete_post(post_id):
    cursor = g.db.execute("SELECT id,user_id from post WHERE id=:post_id;",{'post_id':post_id})
    post = cursor.fetchone()

    if post is not None:
        if session['user_id'] == post[1]:
            g.db.execute("DELETE FROM post WHERE id={};".format(post_id))
            g.db.commit()
            return redirect('/', 302)

    return redirect('/', 404)