`too many values to unpack (expected 4)`

[epilys]

Parsing a specific invalid pdf produces this exception.

Searching for it led me to this stackoverflow question that resulted in this pull request to the unmaintained pdfminer euske/pdfminer#159

Looking at the code in the pdfminer.six pdfparser.py, this can be ported. I can test a patch if you want, (I'd share the pdf file but I'm not sure it's legal to do so..)

[pietermarsman]

Closing this because it is not reproducible without and example pdf