Don’t you love it when you type out a long question because you’ve tried 10 different ways to do something and it’s still not working…
Then realise you’ve forgotten to UnwrapElement… AGAIN.
Can someone please send me a poster with, “Unwrap the bloody Element you moose” please? 
I suggest grouping and properly naming inputs.
Sounds like you’d benefit from a better Python template.
Set the template to unwrap the input for IN[0] and you should have an easier time with this.
@Alien ,
goddamn! safe your template, like it is written in Primier!
https://primer.dynamobim.org/10_Custom-Nodes/10-6_Python-Templates.html
And your poster 
KR
Andreas
