Сомневаюсь, что правильно предоставлять pkgconfig где-то кроме python-module-pkgconfig multiple provides: Package python3(pkgconfig) is a virtual package provided by: python3-module-pkgconfig sisyphus+245931.100.1.1@1581508047 gobject-introspection-devel sisyphus+255746.100.2.1@1596455842 You should explicitly select one to install. E: Package python3(pkgconfig) is a virtual package with multiple good providers.
gobject-introspection-1.64.1-alt2 -> sisyphus: Sat Sep 19 2020 Yuri N. Sedunov <aris@altlinux> 1.64.1-alt2 - filtered "python3(pkgconfig)" from provides (ALT #38965)
