[ebuild     U  ] dev-lang/python-3.13.16:3.13::gentoo [3.13.12:3.13::gentoo] USE="ensurepip gdbm ncurses pgo readline sqlite ssl -bluetooth -debug -examples (-jit) -libedit -test -tk -valgrind -verify-sig" LLVM_SLOT="18" 22.2 MiB
[ebuild  N     ] dev-python/python-tests-3.13.16:3.13::gentoo USE="-verify-sig" PYTHON_TARGETS="python3_13"

Total: 2 packages (1 new, 1 upgrade), Size of downloads: 22.2 MiB


 * Running sanity checks...
>>> dev-lang/python-3.13.16: failed pkg_pretend
 /Volumes/Disk 1/gentoo-prefix/usr/lib/pkgcore/lib/pkgcore/ebd/.generated/libs/8/pkg_pretend: line 144: [[: invalid regular expression `': empty (sub)expression
  * ERROR: dev-lang/python-3.13.16:: failed (pretend phase):
  *   USE flag 'pgo' not in IUSE for dev-lang/python-3.13.16
  * 
  * Call stack:
  *    isolated-functions.bash, line  333:  called pkg_pretend
  *                ebuild.bash, line 3341:  called use 'pgo'
  *                pkg_pretend, line  145:  called die
  * 
  * Working directory: '/var/tmp/portage'

!!! Sanity checks failed, exiting...