Bug#1140397: diffoscope: Diffoscope fails to compare PDF files - dumppdf crash

[Nikolas Nyby]

Source: diffoscope
Version: 319
Severity: normal

Dear Maintainer,

See this salsa build job comparing the "allabout.pdf" file:
https://nikolas.pages.debian.net/-/gnubg/-/jobs/9808951/artifacts/debian/output/diffoscope.html

diffoscope emits this message:

./usr/share/doc/gnubg/allabout.pdf
Command `'dumppdf -at {}'` failed with exit code 1. Standard output:
    Traceback (most recent call last):
      File "/usr/bin/dumppdf", line 468, in <module>
        main()
        ~~~~^^
      File "/usr/bin/dumppdf", line 454, in main
        dumppdf(
        ~~~~~~~^
            outfp,
          [...]
          
after installing the following packages in the debrebuild job on salsa:
  poppler-utils python3-pdfminer xxd