Apparently it's caused by multiple instances of the following warning:
/home/mgorny/git/cpython/Lib/distutils/command/check.py:128: DeprecationWarning: The frontend.OptionParser class will be replaced by a subclass of argparse.ArgumentParser in Docutils 0.21 or later.
settings = frontend.OptionParser(components=(Parser,)).get_default_values()
/home/mgorny/git/cpython/Lib/optparse.py:1000: DeprecationWarning: The frontend.Option class will be removed in Docutils 0.21 or later.
option = self.option_class(*args, **kwargs)
To reproduce
Install docutils-0.19 using the system package manager.
Bug report
If
docutils-0.19
are installed system-wide while running CPython's test suite, the following test fails:Apparently it's caused by multiple instances of the following warning:
To reproduce
docutils-0.19
using the system package manager../configure --prefix=/usr
make -j$(nproc)
make test
Your environment