Calculating dependencies... done!

emerge: there are no ebuilds built with USE flags to satisfy "sci-libs/gdal:=[python?,python_single_target_python3_8(-)?,python_single_target_python3_9(-)?,python_single_target_python3_10(-)?]".
!!! One of the following packages is required to complete your request:
- sci-libs/vtk-9.1.0-r2::gentoo (Change USE: -python_single_target_python3_9, this change violates use flag constraints defined by sci-libs/vtk-9.1.0-r2: 'all-modules? ( boost ffmpeg gdal imaging mysql odbc postgres qt5 rendering views ) cuda? ( video_cards_nvidia ) java? ( rendering ) python? ( exactly-one-of ( python_single_target_python3_8 python_single_target_python3_9 python_single_target_python3_10 ) ) qt5? ( rendering ) tk? ( rendering python ) web? ( python )')
(dependency required by "sci-libs/vtk-9.1.0-r2::gentoo" [ebuild])
(dependency required by "sci-libs/vtk:0" [argument])