I installed today Processing, downloaded the Python mode, switch to Python mode, opened one of the examples via files -> examples and tried to export that example.
Hi @kdvsui, Processing Python mode is not working on the Processing 4 IDE, people still use it on the Processing 3.5.4 IDE, but it is unfortunately an unmaintained tool at this time.
Processing-Export.txt
I installed today Processing, downloaded the Python mode, switch to Python mode, opened one of the examples via files -> examples and tried to export that example.
I got the error message attached.