Labs CSV Exporter - where is the script actually located?

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I'm trying to make a simple edit to the script that's called by the Labs ‘CSV Exporter’ node.

There is a rather cryptic ‘pre-frame script’ called by the shell:

hou.node('..').hdaModule().export(hou.node('..'))

Where does this call eventually resolve to? - there isn't an ‘export.py’ python script that I can find anywhere on my machine!
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Sorry to revive old topic, but this might help someone coming to here.

After some digging I found out that the "Labs CSV Exporter" lives in the OUT context, it's a render node. Go there and add it, it will be something like "/out/csv_exporter1". Now right click on the node, choose "Type Properties", then go the the "Scripts" tab, there it is, the python script:

import csv, os, sys
def export(node):

More docs: https://www.sidefx.com/docs/houdini/nodes/out/labs--csv_exporter.html [www.sidefx.com]
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