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@Ralph Willgoss it looks like you’re trying to access the value from the result based on a list as a key and I don’t think that pattern is supported by python

In [1]: a = {1: 2}

In [2]: a[[1]]
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-2-2cff107a7920> in <module>
----> 1 a[[1]]

TypeError: unhashable type: 'list'

ah ok, thanks. So I just need to wrap it before returning from the other workflow?

It would seem so, yes

ok thanks, ill try