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.
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.
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