Bug#978286: python-vispy: FTBFS: dpkg-buildpackage: error: dpkg-source -b . subprocess returned exit status 2

[Lucas Nussbaum]

Source: python-vispy
Version: 0.6.4-1
Severity: serious
Justification: FTBFS on amd64
Tags: bullseye sid ftbfs
Usertags: ftbfs-20201226 ftbfs-bullseye

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.

Relevant part (hopefully):
> make[1]: Entering directory '/<<PKGBUILDDIR>>'
> dh_auto_clean
> I: pybuild base:232: python3.9 setup.py clean 
> setup.py entered
> $PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
> /usr/lib/python3/dist-packages/Cython/Compiler/Main.py:369: FutureWarning: Cython directive 'language_level' not set, using 2 for now (Py2). This will change in a later release! File: /<<PKGBUILDDIR>>/vispy/visuals/text/_sdf_cpu.pyx
>   tree = Parsing.p_module(s, pxd, full_module_name)
> Compiling vispy/visuals/text/_sdf_cpu.pyx because it changed.
> [1/1] Cythonizing vispy/visuals/text/_sdf_cpu.pyx
> running clean
> removing '/<<PKGBUILDDIR>>/.pybuild/cpython3_3.9_vispy/build' (and everything under it)
> 'build/bdist.linux-x86_64' does not exist -- can't clean it
> 'build/scripts-3.9' does not exist -- can't clean it
> rm -rf vispy/visuals/text/_sdf_cpu.c
> make[1]: Leaving directory '/<<PKGBUILDDIR>>'
>    dh_autoreconf_clean -O--buildsystem=pybuild
>    dh_clean -O--buildsystem=pybuild
>  dpkg-source -b .
> dpkg-source: info: using source format '3.0 (quilt)'
> dpkg-source: info: building python-vispy using existing ./python-vispy_0.6.4.orig.tar.gz
> dpkg-source: info: using patch list from debian/patches/series
> dpkg-source: warning: ignoring deletion of directory vispy.egg-info
> dpkg-source: warning: ignoring deletion of file vispy.egg-info/SOURCES.txt, use --include-removal to override
> dpkg-source: warning: ignoring deletion of file vispy.egg-info/top_level.txt, use --include-removal to override
> dpkg-source: warning: ignoring deletion of file vispy.egg-info/dependency_links.txt, use --include-removal to override
> dpkg-source: warning: ignoring deletion of file vispy.egg-info/PKG-INFO, use --include-removal to override
> dpkg-source: warning: ignoring deletion of file vispy.egg-info/requires.txt, use --include-removal to override
> dpkg-source: warning: ignoring deletion of file vispy.egg-info/not-zip-safe, use --include-removal to override
> dpkg-source: info: local changes detected, the modified files are:
>  python-vispy-0.6.4/vispy/version.py
> dpkg-source: error: aborting due to unexpected upstream changes, see /tmp/python-vispy_0.6.4-1.diff.01JT6X
> dpkg-source: info: you can integrate the local changes with dpkg-source --commit
> dpkg-buildpackage: error: dpkg-source -b . subprocess returned exit status 2
> --------------------------------------------------------------------------------
> Build finished at 2020-12-26T18:39:29Z

The full build log is available from:
   http://qa-logs.debian.net/2020/12/26/python-vispy_0.6.4-1_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

If you reassign this bug to another package, please marking it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects

If you fail to reproduce this, please provide a build log and diff it with me
so that we can identify if something relevant changed in the meantime.

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.