mysql.connector.errors.InterfaceError: 2003 (2 replies)

here is not easy to leave the code, so I post in here
https://stackoverflow.com/questions/75304961/mysql-connector-errors-interfaceerror-2003

I write a .py script can extract mysql data and print it out, I want to make the html page run this script and face mysql.connector.errors.InterfaceError, but .py script individually works fine

environment: I put both .py and .html in winSCP to make the page live