Received a 400 error on attempt to connect

[Gashmore1]

Running either of the python scripts led to me receiving a 400 reponse from the server, what should I do here / is there any common configuration mistakes that I may have made. I'd be happy to provide more details if needed

[Matthew1471]

Hi, unfortunately I no longer rent the property that had this boiler. A HTTP 400 is a "Bad Request" so it things the request is malformed.