Run of fresh-snapshots for pdfposter

Try this locally (using silver-platter):

debian-svp new-upstream --snapshot pdfposter 
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update-alternatives: using /usr/share/docutils/scripts/python3/rst2xml to provide /usr/bin/rst2xml (rst2xml) in auto mode

update-alternatives: using /usr/share/docutils/scripts/python3/rstpep2html to provide /usr/bin/rstpep2html (rstpep2html) in auto mode

Setting up python3-sphinx (3.4.3-2) ...

Processing triggers for ca-certificates (20210119) ...

Updating certificates in /etc/ssl/certs...

0 added, 0 removed; done.

Running hooks in /etc/ca-certificates/update.d...

done.

Creating directory /var/lib/jenkins in schroot session.
Using dependency resolver: [apt, cpan, pypi, npm, go, hackage, cran, cran, octave-forge]
  File "/build/tmpb8te6q5_/pdfposter/./setup.py", line 61
    except IOError, e:
                  ^
SyntaxError: invalid syntax
Build failed with unidentified error:
SyntaxError: invalid syntax

Full worker log Full dist log