[Python-modules-team] Bug#966960: flask-testing: FTBFS: dh_auto_test: error: pybuild --test -i python{version} -p 3.8 returned exit code 13

[Lucas Nussbaum]

Source: flask-testing
Version: 0.7.1-1
Severity: serious
Justification: FTBFS on amd64
Tags: bullseye sid ftbfs
Usertags: ftbfs-20200802 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_build
> I: pybuild base:217: /usr/bin/python3 setup.py build 
> running build
> running build_py
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_flask-testing/build/flask_testing
> copying flask_testing/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_flask-testing/build/flask_testing
> copying flask_testing/twill.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_flask-testing/build/flask_testing
> copying flask_testing/utils.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.8_flask-testing/build/flask_testing
> cd docs && \
> PYTHONPATH=/<<PKGBUILDDIR>> http_proxy= https_proxy= \
> python3 -m sphinx -N -E -T -b html . /<<PKGBUILDDIR>>/.pybuild/docs/html/
> Running Sphinx v2.4.3
> making output directory... done
> building [mo]: targets for 0 po files that are out of date
> building [html]: targets for 1 source files that are out of date
> updating environment: [new config] 1 added, 0 changed, 0 removed
> reading sources... [100%] index
> 
> /<<PKGBUILDDIR>>/docs/index.rst:355: WARNING: duplicate object description of flask_testing, other instance in index, use :noindex: for one of them
> /<<PKGBUILDDIR>>/docs/index.rst:2: WARNING: Duplicate ID: "module-flask_testing".
> WARNING: autodoc: failed to import class 'TestCase' from module 'flask_testing'; the following exception was raised:
> cannot import name 'cached_property' from 'werkzeug' (/usr/lib/python3/dist-packages/werkzeug/__init__.py)
> WARNING: autodoc: failed to import class 'Twill' from module 'flask_testing'; the following exception was raised:
> cannot import name 'cached_property' from 'werkzeug' (/usr/lib/python3/dist-packages/werkzeug/__init__.py)
> WARNING: autodoc: failed to import class 'TwillTestCase' from module 'flask_testing'; the following exception was raised:
> cannot import name 'cached_property' from 'werkzeug' (/usr/lib/python3/dist-packages/werkzeug/__init__.py)
> looking for now-outdated files... none found
> pickling environment... done
> checking consistency... done
> preparing documents... done
> writing output... [100%] index
> 
> generating indices...  genindex py-modindexdone
> writing additional pages...  searchdone
> copying static files... ... done
> copying extra files... done
> dumping search index in English (code: en)... done
> dumping object inventory... done
> build succeeded, 5 warnings.
> 
> The HTML pages are in ../.pybuild/docs/html.
> rm -rf /<<PKGBUILDDIR>>/.pybuild/docs/html/.doctrees
> make[1]: Leaving directory '/<<PKGBUILDDIR>>'
>    dh_auto_test -O--buildsystem=pybuild
> I: pybuild base:217: python3.8 setup.py test 
> running test
> WARNING: Testing via this command is deprecated and will be removed in a future version. Users looking for a generic test entry point independent of test runner are encouraged to use tox.
> running egg_info
> writing Flask_Testing.egg-info/PKG-INFO
> writing dependency_links to Flask_Testing.egg-info/dependency_links.txt
> writing requirements to Flask_Testing.egg-info/requires.txt
> writing top-level names to Flask_Testing.egg-info/top_level.txt
> reading manifest file 'Flask_Testing.egg-info/SOURCES.txt'
> reading manifest template 'MANIFEST.in'
> warning: no previously-included files matching '*.pyc' found under directory 'tests'
> warning: no previously-included files matching '*.pyc' found under directory 'tests'
> warning: no previously-included files matching '*.pyo' found under directory 'docs'
> no previously-included directories found matching 'docs/_build'
> no previously-included directories found matching 'docs/_themes/.git'
> writing manifest file 'Flask_Testing.egg-info/SOURCES.txt'
> running build_ext
> tests (unittest.loader._FailedTest) ... ERROR
> 
> ======================================================================
> ERROR: tests (unittest.loader._FailedTest)
> ----------------------------------------------------------------------
> ImportError: Failed to import test module: tests
> Traceback (most recent call last):
>   File "/usr/lib/python3.8/unittest/loader.py", line 154, in loadTestsFromName
>     module = __import__(module_name)
>   File "/<<PKGBUILDDIR>>/tests/__init__.py", line 3, in <module>
>     from flask_testing import is_twill_available
>   File "/<<PKGBUILDDIR>>/flask_testing/__init__.py", line 13, in <module>
>     from .utils import TestCase, LiveServerTestCase
>   File "/<<PKGBUILDDIR>>/flask_testing/utils.py", line 35, in <module>
>     from werkzeug import cached_property
> ImportError: cannot import name 'cached_property' from 'werkzeug' (/usr/lib/python3/dist-packages/werkzeug/__init__.py)
> 
> 
> ----------------------------------------------------------------------
> Ran 1 test in 0.000s
> 
> FAILED (errors=1)
> Test failed: <unittest.runner.TextTestResult run=1 errors=1 failures=0>
> error: Test failed: <unittest.runner.TextTestResult run=1 errors=1 failures=0>
> E: pybuild pybuild:352: test: plugin distutils failed with: exit code=1: python3.8 setup.py test 
> dh_auto_test: error: pybuild --test -i python{version} -p 3.8 returned exit code 13

The full build log is available from:
   http://qa-logs.debian.net/2020/08/02/flask-testing_0.7.1-1_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!

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.