>>> host-python-inflection 0.5.1 Extracting
gzip -d -c /home/giuliobenetti/autobuild/run/instance-1/dl/python-inflection/inflection-0.5.1.tar.gz | tar --strip-components=1 -C /home/giuliobenetti/autobuild/run/instance-1/output-1/build/host-python-inflection-0.5.1   -xf -
>>> host-python-inflection 0.5.1 Patching
>>> host-python-inflection 0.5.1 Configuring
>>> host-python-inflection 0.5.1 Building
(cd /home/giuliobenetti/autobuild/run/instance-1/output-1/build/host-python-inflection-0.5.1//; PATH="/home/giuliobenetti/autobuild/run/instance-1/output-1/host/bin:/home/giuliobenetti/autobuild/run/instance-1/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" PYTHONNOUSERSITE=1 PATH="/home/giuliobenetti/autobuild/run/instance-1/output-1/host/bin:/home/giuliobenetti/autobuild/run/instance-1/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" PKG_CONFIG="/home/giuliobenetti/autobuild/run/instance-1/output-1/host/bin/pkg-config" PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_LIBDIR="/home/giuliobenetti/autobuild/run/instance-1/output-1/host/lib/pkgconfig:/home/giuliobenetti/autobuild/run/instance-1/output-1/host/share/pkgconfig" AR="/usr/bin/ar" AS="/usr/bin/as" LD="/usr/bin/ld" NM="/usr/bin/nm" CC="/usr/bin/gcc" GCC="/usr/bin/gcc" CXX="/usr/bin/g++" CPP="/usr/bin/cpp" OBJCOPY="/usr/bin/objcopy" RANLIB="/usr/bin/ranlib" CPPFLAGS="-I/home/giuliobenetti/autobuild/run/instance-1/output-1/host/include" CFLAGS="-O2 -I/home/giuliobenetti/autobuild/run/instance-1/output-1/host/include" CXXFLAGS="-O2 -I/home/giuliobenetti/autobuild/run/instance-1/output-1/host/include" LDFLAGS="-L/home/giuliobenetti/autobuild/run/instance-1/output-1/host/lib -Wl,-rpath,/home/giuliobenetti/autobuild/run/instance-1/output-1/host/lib" INTLTOOL_PERL=/usr/bin/perl  /home/giuliobenetti/autobuild/run/instance-1/output-1/host/bin/python setup.py build  )
Traceback (most recent call last):
  File "setup.py", line 6, in <module>
    import inflection
  File "/home/giuliobenetti/autobuild/run/instance-1/output-1/build/host-python-inflection-0.5.1/inflection/__init__.py", line 91
    def _irregular(singular: str, plural: str) -> None:
                           ^
SyntaxError: invalid syntax
make: *** [package/pkg-generic.mk:294: /home/giuliobenetti/autobuild/run/instance-1/output-1/build/host-python-inflection-0.5.1/.stamp_built] Error 1
make: Leaving directory '/home/giuliobenetti/autobuild/run/instance-1/buildroot'