Sparkfun tmp102 on raspi not working?

I’m using a sparkfun tmp102 through the 4 port qwiic hat on a pi zero W
First thing that’s weird is it finds ‘something’ @ 0x3c ( not 0x48 where I was expecting the 102 ) and then when I read it using the test code from here ( Python Programming Tutorial: Getting Started with the Raspberry Pi - SparkFun Learn ) it just gives me 0 back

any ideas appreciated and apologies if I’ve done something dumbass !