Restore request.host

Flask example hits error: AttributeError: 'Request' object has no attribute 'netloc'

Author: pitbulk

demo-flask/index.py

@@ -23,7 +23,7 @@ def prepare_flask_request(request):
     # If server is behind proxys or balancers use the HTTP_X_FORWARDED fields
     return {
         'https': 'on' if request.scheme == 'https' else 'off',
-        'http_host': request.netloc,
+        'http_host': request.host,
         'script_name': request.path,
         'get_data': request.args.copy(),
         # Uncomment if using ADFS as IdP, https://github.com/onelogin/python-saml/pull/144