Bug#889183: pyfai FTBFS: RuntimeError: Fail to generate 'check_calib' man documentation

[Adrian Bunk]

Source: pyfai
Version: 0.15.0+dfsg-1
Severity: serious

https://buildd.debian.org/status/package.php?p=pyfai&suite=sid

...
I: pybuild base:184: PYTHONPATH=/<<BUILDDIR>>/pyfai-0.15.0+dfsg/.pybuild/pythonX.Y_3.6/build xvfb-run -a --server-args="-screen 0 1024x768x24" python3.6 setup.py build_man
INFO:root:Generating grammar tables from /usr/lib/python3.6/lib2to3/Grammar.txt
INFO:root:Generating grammar tables from /usr/lib/python3.6/lib2to3/PatternGrammar.txt
INFO:pyFAI.setup:Use setuptools
running build_man
INFO:pyFAI.setup:Build man for entry-point target 'check_calib'
help2man: can't get `--help' info from /tmp/check_calib_59xexrun
Try `--no-discard-stderr' if option outputs to stderr
INFO:pyFAI.setup:b'Traceback (most recent call last):\n  File "/tmp/check_calib_59xexrun", line 2, in <module>\n    import pyFAI.app.check_calib as app\n  File "/<<BUILDDIR>>/pyfai-0.15.0+dfsg/.pybuild/pythonX.Y_3.6/build/pyFAI/__init__.py", line 56, in <module>\n    from .detectors import Detector\n  File "/<<BUILDDIR>>/pyfai-0.15.0+dfsg/.pybuild/pythonX.Y_3.6/build/pyFAI/detectors.py", line 51, in <module>\n    from . import io\n  File "/<<BUILDDIR>>/pyfai-0.15.0+dfsg/.pybuild/pythonX.Y_3.6/build/pyFAI/io.py", line 67, in <module>\n    from .utils import StringTypes, fully_qualified_name\n  File "/<<BUILDDIR>>/pyfai-0.15.0+dfsg/.pybuild/pythonX.Y_3.6/build/pyFAI/utils/__init__.py", line 54, in <module>\n    from ..third_party import six\nModuleNotFoundError: No module named \'pyFAI.third_party\'\n'
INFO:pyFAI.setup:b'Traceback (most recent call last):\n  File "/tmp/check_calib_59xexrun", line 2, in <module>\n    import pyFAI.app.check_calib as app\n  File "/<<BUILDDIR>>/pyfai-0.15.0+dfsg/.pybuild/pythonX.Y_3.6/build/pyFAI/__init__.py", line 56, in <module>\n    from .detectors import Detector\n  File "/<<BUILDDIR>>/pyfai-0.15.0+dfsg/.pybuild/pythonX.Y_3.6/build/pyFAI/detectors.py", line 51, in <module>\n    from . import io\n  File "/<<BUILDDIR>>/pyfai-0.15.0+dfsg/.pybuild/pythonX.Y_3.6/build/pyFAI/io.py", line 67, in <module>\n    from .utils import StringTypes, fully_qualified_name\n  File "/<<BUILDDIR>>/pyfai-0.15.0+dfsg/.pybuild/pythonX.Y_3.6/build/pyFAI/utils/__init__.py", line 54, in <module>\n    from ..third_party import six\nModuleNotFoundError: No module named \'pyFAI.third_party\'\n'
Traceback (most recent call last):
  File "setup.py", line 868, in <module>
    setup_package()
  File "setup.py", line 865, in setup_package
    setup(**setup_kwargs)
  File "/usr/lib/python3/dist-packages/setuptools/__init__.py", line 129, in setup
    return distutils.core.setup(**attrs)
  File "/usr/lib/python3.6/distutils/core.py", line 148, in setup
    dist.run_commands()
  File "/usr/lib/python3.6/distutils/dist.py", line 955, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python3.6/distutils/dist.py", line 974, in run_command
    cmd_obj.run()
  File "setup.py", line 248, in run
    raise RuntimeError("Fail to generate '%s' man documentation" % target_name)
RuntimeError: Fail to generate 'check_calib' man documentation
E: pybuild pybuild:283: build: plugin custom failed with: exit code=1: PYTHONPATH=/<<BUILDDIR>>/pyfai-0.15.0+dfsg/.pybuild/pythonX.Y_3.6/build xvfb-run -a --server-args="-screen 0 1024x768x24" python3.6 setup.py build_man
dh_auto_build: pybuild --build -i python{version} -p 3.6 returned exit code 13
debian/rules:20: recipe for target 'override_dh_auto_build' failed
make[1]: *** [override_dh_auto_build] Error 25