Hey, I have a similar problem.
Nothing happens but an error ocurred:
2018-10-11 15:40:59 Script started
2018-10-11 15:40:59 Duplicating chunk...
2018-10-11 15:41:11 Finished processing in 10.742 sec (exit code 1)
2018-10-11 15:41:11 Traceback (most recent call last):
2018-10-11 15:41:11 File "C:/Users/SFM/Downloads/split_in_chunks/split_in_chunks.py", line 80, in <lambda>
2018-10-11 15:41:11 proc_split = lambda : self.splitChunks()
2018-10-11 15:41:11 File "C:/Users/SFM/Downloads/split_in_chunks/split_in_chunks.py", line 159, in splitChunks
2018-10-11 15:41:11 doc.addChunk(new_chunk)
2018-10-11 15:41:11 TypeError: addChunk() takes no arguments (1 given)