Python report error to parent node

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I am working on a few custom Python based ROPs. Following some examples from the SideFX labs ROPs, I have a shell inside the subnet that calls
hou.node('..').hdaModule().render()
The problem here is that if I
raise hou.Error
from the script, the error does not appear in the top level node, it only says “Error Rendering child…”
This becomes a problem when running on Deadline or doing things interactively. Just curious if there is a better way to do this.
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