Fix pycodestyle

Author: pitbulk

demo-flask/index.py

@@ -3,8 +3,6 @@
 from flask import (Flask, request, render_template, redirect, session,
                    make_response)
 
-from urllib.parse import urlparse
-
 from onelogin.saml2.auth import OneLogin_Saml2_Auth
 from onelogin.saml2.utils import OneLogin_Saml2_Utils