QLIKSENSE - build the REST API Connection - the API was build by flask

[Tuna0720]

Hi,

I would like to do a REST API connection but it's always fail, anyone can help me to see was the problem of this code?

RestConnectorMasterTable:
SQL SELECT *
FROM JSON (wrap on) "root" PK "__KEY_root"
WITH CONNECTION

(

URL "http://127.0.0.1:5000/Home/",

QUERY "Start" "$(vstart)",

QUERY "End" "$(vend)",

);