Your message dated Mon, 7 Sep 2026 18:35:50 +0200
with message-id <[email protected]>
and subject line python-babel: FTBFS: E babel.units.UnknownUnitError: 
concentr-portion-per-1e9 is not a known unit in cs_CZ
has caused the Debian Bug report #1134306,
regarding python-babel: FTBFS: E           babel.units.UnknownUnitError: 
concentr-portion-per-1e9 is not a known unit in cs_CZ
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
1134306: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134306
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: src:python-babel
Version: 2.17.0-2
Severity: serious
Tags: ftbfs forky sid

Dear maintainer:

During a rebuild of all packages in unstable, this package failed to build.

Below you will find the last part of the build log (probably the most
relevant part, but not necessarily). If required, the full build log
is available here:

https://people.debian.org/~sanvila/build-logs/202604/

About the archive rebuild: The build was made on virtual machines from AWS,
using sbuild and a reduced chroot with only build-essential packages.

If you cannot reproduce the bug please contact me privately, as I
am willing to provide ssh access to a virtual machine where the bug is
fully reproducible.

If this is really a bug in one of the build-depends, please use
reassign and add an affects on src:python-babel, so that this is still
visible in the BTS web page for this package.

Thanks.

--------------------------------------------------------------------------------
[...]
 debian/rules clean
dh clean --buildsystem=pybuild --with sphinxdoc
   debian/rules execute_before_dh_auto_clean
make[1]: Entering directory '/<<PKGBUILDDIR>>'
rm -rf docs/_build build Babel.egg-info
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
   dh_auto_clean -O--buildsystem=pybuild
I: pybuild base:385: python3.14 setup.py clean 
/usr/lib/python3/dist-packages/setuptools/dist.py:759: 
SetuptoolsDeprecationWarning: License classifiers are deprecated.
!!

        
********************************************************************************
        Please consider removing the following classifiers in favor of a SPDX 
license expression:

        License :: OSI Approved :: BSD License

[... snipped ...]


value = 1, measurement_unit = 'concentr-portion-per-1e9', length = 'long'
format = None, locale = Locale('cs', territory='CZ')

    def format_unit(
        value: str | float | decimal.Decimal,
        measurement_unit: str,
        length: Literal['short', 'long', 'narrow'] = 'long',
        format: str | None = None,
        locale: Locale | str | None = None,
        *,
        numbering_system: Literal["default"] | str = "latn",
    ) -> str:
        """Format a value of a given unit.
    
        Values are formatted according to the locale's usual pluralization rules
        and number formats.
    
        >>> format_unit(12, 'length-meter', locale='ro_RO')
        u'12 metri'
        >>> format_unit(15.5, 'length-mile', locale='fi_FI')
        u'15,5 mailia'
        >>> format_unit(1200, 'pressure-millimeter-ofhg', locale='nb')
        u'1\\xa0200 millimeter kvikks\\xf8lv'
        >>> format_unit(270, 'ton', locale='en')
        u'270 tons'
        >>> format_unit(1234.5, 'kilogram', locale='ar_EG', 
numbering_system='default')
        u'1٬234٫5 كيلوغرام'
    
        Number formats may be overridden with the ``format`` parameter.
    
        >>> import decimal
        >>> format_unit(decimal.Decimal("-42.774"), 'temperature-celsius', 
'short', format='#.0', locale='fr')
        u'-42,8\\u202f\\xb0C'
    
        The locale's usual pluralization rules are respected.
    
        >>> format_unit(1, 'length-meter', locale='ro_RO')
        u'1 metru'
        >>> format_unit(0, 'length-mile', locale='cy')
        u'0 mi'
        >>> format_unit(1, 'length-mile', locale='cy')
        u'1 filltir'
        >>> format_unit(3, 'length-mile', locale='cy')
        u'3 milltir'
    
        >>> format_unit(15, 'length-horse', locale='fi')
        Traceback (most recent call last):
            ...
        UnknownUnitError: length-horse is not a known unit in fi
    
        .. versionadded:: 2.2.0
    
        :param value: the value to format. If this is a string, no number 
formatting will be attempted.
        :param measurement_unit: the code of a measurement unit.
                                 Known units can be found in the CLDR Unit 
Validity XML file:
                                 
https://unicode.org/repos/cldr/tags/latest/common/validity/unit.xml
        :param length: "short", "long" or "narrow"
        :param format: An optional format, as accepted by `format_decimal`.
        :param locale: the `Locale` object or locale identifier. Defaults to 
the system numeric locale.
        :param numbering_system: The numbering system used for formatting 
number symbols. Defaults to "latn".
                                 The special value "default" will use the 
default numbering system of the locale.
        :raise `UnsupportedNumberingSystemError`: If the numbering system is 
not supported by the locale.
        """
        locale = Locale.parse(locale or LC_NUMERIC)
    
        q_unit = _find_unit_pattern(measurement_unit, locale=locale)
        if not q_unit:
>           raise UnknownUnitError(unit=measurement_unit, locale=locale)
E           babel.units.UnknownUnitError: concentr-portion-per-1e9 is not a 
known unit in cs_CZ

babel/units.py:139: UnknownUnitError
_ test_new_cldr46_units[concentr-portion-per-1e9-2-2 \u010d\xe1stice na 
miliardu] _

unit = 'concentr-portion-per-1e9', count = 2, expected = '2 částice na 
miliardu'

    @pytest.mark.parametrize(('unit', 'count', 'expected'), [
        ('speed-light-speed', 1, '1 světlo'),
        ('speed-light-speed', 2, '2 světla'),
        ('speed-light-speed', 5, '5 světel'),
        ('concentr-portion-per-1e9', 1, '1 částice na miliardu'),
        ('concentr-portion-per-1e9', 2, '2 částice na miliardu'),
        ('concentr-portion-per-1e9', 5, '5 částic na miliardu'),
        ('duration-night', 1, '1 noc'),
        ('duration-night', 2, '2 noci'),
        ('duration-night', 5, '5 nocí'),
    ])
    def test_new_cldr46_units(unit, count, expected):
>       assert format_unit(count, unit, locale='cs_CZ') == expected
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/test_units.py:19: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

value = 2, measurement_unit = 'concentr-portion-per-1e9', length = 'long'
format = None, locale = Locale('cs', territory='CZ')

    def format_unit(
        value: str | float | decimal.Decimal,
        measurement_unit: str,
        length: Literal['short', 'long', 'narrow'] = 'long',
        format: str | None = None,
        locale: Locale | str | None = None,
        *,
        numbering_system: Literal["default"] | str = "latn",
    ) -> str:
        """Format a value of a given unit.
    
        Values are formatted according to the locale's usual pluralization rules
        and number formats.
    
        >>> format_unit(12, 'length-meter', locale='ro_RO')
        u'12 metri'
        >>> format_unit(15.5, 'length-mile', locale='fi_FI')
        u'15,5 mailia'
        >>> format_unit(1200, 'pressure-millimeter-ofhg', locale='nb')
        u'1\\xa0200 millimeter kvikks\\xf8lv'
        >>> format_unit(270, 'ton', locale='en')
        u'270 tons'
        >>> format_unit(1234.5, 'kilogram', locale='ar_EG', 
numbering_system='default')
        u'1٬234٫5 كيلوغرام'
    
        Number formats may be overridden with the ``format`` parameter.
    
        >>> import decimal
        >>> format_unit(decimal.Decimal("-42.774"), 'temperature-celsius', 
'short', format='#.0', locale='fr')
        u'-42,8\\u202f\\xb0C'
    
        The locale's usual pluralization rules are respected.
    
        >>> format_unit(1, 'length-meter', locale='ro_RO')
        u'1 metru'
        >>> format_unit(0, 'length-mile', locale='cy')
        u'0 mi'
        >>> format_unit(1, 'length-mile', locale='cy')
        u'1 filltir'
        >>> format_unit(3, 'length-mile', locale='cy')
        u'3 milltir'
    
        >>> format_unit(15, 'length-horse', locale='fi')
        Traceback (most recent call last):
            ...
        UnknownUnitError: length-horse is not a known unit in fi
    
        .. versionadded:: 2.2.0
    
        :param value: the value to format. If this is a string, no number 
formatting will be attempted.
        :param measurement_unit: the code of a measurement unit.
                                 Known units can be found in the CLDR Unit 
Validity XML file:
                                 
https://unicode.org/repos/cldr/tags/latest/common/validity/unit.xml
        :param length: "short", "long" or "narrow"
        :param format: An optional format, as accepted by `format_decimal`.
        :param locale: the `Locale` object or locale identifier. Defaults to 
the system numeric locale.
        :param numbering_system: The numbering system used for formatting 
number symbols. Defaults to "latn".
                                 The special value "default" will use the 
default numbering system of the locale.
        :raise `UnsupportedNumberingSystemError`: If the numbering system is 
not supported by the locale.
        """
        locale = Locale.parse(locale or LC_NUMERIC)
    
        q_unit = _find_unit_pattern(measurement_unit, locale=locale)
        if not q_unit:
>           raise UnknownUnitError(unit=measurement_unit, locale=locale)
E           babel.units.UnknownUnitError: concentr-portion-per-1e9 is not a 
known unit in cs_CZ

babel/units.py:139: UnknownUnitError
_ test_new_cldr46_units[concentr-portion-per-1e9-5-5 \u010d\xe1stic na 
miliardu] _

unit = 'concentr-portion-per-1e9', count = 5, expected = '5 částic na 
miliardu'

    @pytest.mark.parametrize(('unit', 'count', 'expected'), [
        ('speed-light-speed', 1, '1 světlo'),
        ('speed-light-speed', 2, '2 světla'),
        ('speed-light-speed', 5, '5 světel'),
        ('concentr-portion-per-1e9', 1, '1 částice na miliardu'),
        ('concentr-portion-per-1e9', 2, '2 částice na miliardu'),
        ('concentr-portion-per-1e9', 5, '5 částic na miliardu'),
        ('duration-night', 1, '1 noc'),
        ('duration-night', 2, '2 noci'),
        ('duration-night', 5, '5 nocí'),
    ])
    def test_new_cldr46_units(unit, count, expected):
>       assert format_unit(count, unit, locale='cs_CZ') == expected
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/test_units.py:19: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

value = 5, measurement_unit = 'concentr-portion-per-1e9', length = 'long'
format = None, locale = Locale('cs', territory='CZ')

    def format_unit(
        value: str | float | decimal.Decimal,
        measurement_unit: str,
        length: Literal['short', 'long', 'narrow'] = 'long',
        format: str | None = None,
        locale: Locale | str | None = None,
        *,
        numbering_system: Literal["default"] | str = "latn",
    ) -> str:
        """Format a value of a given unit.
    
        Values are formatted according to the locale's usual pluralization rules
        and number formats.
    
        >>> format_unit(12, 'length-meter', locale='ro_RO')
        u'12 metri'
        >>> format_unit(15.5, 'length-mile', locale='fi_FI')
        u'15,5 mailia'
        >>> format_unit(1200, 'pressure-millimeter-ofhg', locale='nb')
        u'1\\xa0200 millimeter kvikks\\xf8lv'
        >>> format_unit(270, 'ton', locale='en')
        u'270 tons'
        >>> format_unit(1234.5, 'kilogram', locale='ar_EG', 
numbering_system='default')
        u'1٬234٫5 كيلوغرام'
    
        Number formats may be overridden with the ``format`` parameter.
    
        >>> import decimal
        >>> format_unit(decimal.Decimal("-42.774"), 'temperature-celsius', 
'short', format='#.0', locale='fr')
        u'-42,8\\u202f\\xb0C'
    
        The locale's usual pluralization rules are respected.
    
        >>> format_unit(1, 'length-meter', locale='ro_RO')
        u'1 metru'
        >>> format_unit(0, 'length-mile', locale='cy')
        u'0 mi'
        >>> format_unit(1, 'length-mile', locale='cy')
        u'1 filltir'
        >>> format_unit(3, 'length-mile', locale='cy')
        u'3 milltir'
    
        >>> format_unit(15, 'length-horse', locale='fi')
        Traceback (most recent call last):
            ...
        UnknownUnitError: length-horse is not a known unit in fi
    
        .. versionadded:: 2.2.0
    
        :param value: the value to format. If this is a string, no number 
formatting will be attempted.
        :param measurement_unit: the code of a measurement unit.
                                 Known units can be found in the CLDR Unit 
Validity XML file:
                                 
https://unicode.org/repos/cldr/tags/latest/common/validity/unit.xml
        :param length: "short", "long" or "narrow"
        :param format: An optional format, as accepted by `format_decimal`.
        :param locale: the `Locale` object or locale identifier. Defaults to 
the system numeric locale.
        :param numbering_system: The numbering system used for formatting 
number symbols. Defaults to "latn".
                                 The special value "default" will use the 
default numbering system of the locale.
        :raise `UnsupportedNumberingSystemError`: If the numbering system is 
not supported by the locale.
        """
        locale = Locale.parse(locale or LC_NUMERIC)
    
        q_unit = _find_unit_pattern(measurement_unit, locale=locale)
        if not q_unit:
>           raise UnknownUnitError(unit=measurement_unit, locale=locale)
E           babel.units.UnknownUnitError: concentr-portion-per-1e9 is not a 
known unit in cs_CZ

babel/units.py:139: UnknownUnitError
=========================== short test summary info ============================
FAILED babel/dates.py::babel.dates.get_period_id
FAILED babel/numbers.py::babel.numbers.format_currency
FAILED tests/test_dates.py::test_format_skeleton[pytz.timezone] - AssertionEr...
FAILED tests/test_support_format.py::test_format_compact_currency[pytz.timezone]
FAILED tests/test_dates.py::test_format_skeleton[zoneinfo.ZoneInfo] - Asserti...
FAILED 
tests/test_support_format.py::test_format_compact_currency[zoneinfo.ZoneInfo]
FAILED tests/test_day_periods.py::test_day_period_rules[en_US-time5-night1]
FAILED tests/test_lists.py::test_format_list[list5-ne-string1,string2, string3 
\u0930 string4]
FAILED tests/test_numbers.py::test_list_currencies - AssertionError: assert 3...
FAILED tests/test_numbers.py::test_format_currency_format_type - AssertionErr...
FAILED tests/test_numbers.py::test_format_compact_currency - AssertionError: ...
FAILED tests/test_units.py::test_new_cldr46_units[concentr-portion-per-1e9-1-1 
\u010d\xe1stice na miliardu]
FAILED tests/test_units.py::test_new_cldr46_units[concentr-portion-per-1e9-2-2 
\u010d\xe1stice na miliardu]
FAILED tests/test_units.py::test_new_cldr46_units[concentr-portion-per-1e9-5-5 
\u010d\xe1stic na miliardu]
================== 14 failed, 7663 passed, 6 skipped in 7.65s ==================
make[1]: *** [debian/rules:50: override_dh_auto_test] Error 1
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
make: *** [debian/rules:9: binary] Error 2
dpkg-buildpackage: error: debian/rules binary subprocess failed with exit 
status 2
--------------------------------------------------------------------------------

--- End Message ---
--- Begin Message ---
Version: 2.18.0+git2026-08-12-1

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