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This is basically the starting point of the workflow. I was using Spyder earlier for this, taking the output in a CSV and then using that as the starting point of the workflow, however was interested in using the python node and do everything at one place. Just need to stream data from the anchor to another node.
Any news or solution here? I get this same error. Works fine when I run the workflow on my desktop, then when I try to load it to our Server gallery I get this message "There is no valid metadata..." On the server side when I run the workflow the Python does not write output and breaks. I'm on 2018.4
When I ran into this (an earlier version of alteryx) i just turned off validation when I published to the server and the program ran fine. It's super annoying because I hate errors, but whatever, I got the expected output.
With that said, I think it might have to do with not referencing the input.