Hi all,
I just noticed that the collection flow-variables (at least with String collections) are not accessible via the python scripting node.
As a workaround, I could put the collections in a column via the variable to table row node but in the future that would be convenient to be able to access it directly. 
Hi @l.thomas,
Yes, the Python nodes currently do not yet support the new flow variable types introduced with KNIME Analytics Platform 4.1 (so not only arrays/collections but also boolean and long variables). We will add support for these variables as soon as possible.
Marcel
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