building the system configuration...
error: builder for '/nix/store/xn8y38dsc26cs2bbh6ylnhnj95fnagd6-gconf-3.2.6.drv' failed with exit code 127;
       last 6 log lines:
       > Running phase: unpackPhase
       > unpacking source archive /nix/store/rf8vbdgdsbv05vnn0cbwcvpqck45b3jk-GConf-3.2.6.tar.xz
       > source root is GConf-3.2.6
       > setting SOURCE_DATE_EPOCH to timestamp 1358820019 of file "GConf-3.2.6/ChangeLog"
       > Running phase: patchPhase
       > /nix/store/nlqc1vm5psq2jjr5df6z25gkxkfqbvxx-stdenv-linux/setup: line 269: 2to3: command not found
       For full logs, run:
         nix log /nix/store/xn8y38dsc26cs2bbh6ylnhnj95fnagd6-gconf-3.2.6.drv
error: 1 dependencies of derivation '/nix/store/vdw9wsncq09gxwm271snf2bbkz99ij72-unityhub-fhs-env-3.12.1-fhsenv-rootfs.drv' failed to build
error: 1 dependencies of derivation '/nix/store/k46ci71llsm2d7hmff632xcrkf2bk4ri-unityhub-fhs-env-3.12.1-bwrap.drv' failed to build
error: 1 dependencies of derivation '/nix/store/gbak0vgqc86r3ad746bz307rqjb9g4zp-unityhub-fhs-env-3.12.1.drv' failed to build
error: 1 dependencies of derivation '/nix/store/why3iffl5nn7gp7lk1lbd12xallydfb6-unityhub-3.12.1.drv' failed to build
error: 1 dependencies of derivation '/nix/store/8d5aahsp8hf82ljij44lw9za7y49pgj3-home-manager-path.drv' failed to build
error: 1 dependencies of derivation '/nix/store/4xm5lh48kxmy4m1fhi8lf8yjlmic89a7-man-paths.drv' failed to build
error: 1 dependencies of derivation '/nix/store/a0rbhbwdxdyjfxmzgqgfs83p9vf6dwwh-unityhub-3.12.1-fish-completions.drv' failed to build
error: 1 dependencies of derivation '/nix/store/msfrz9jq6f1qh8hrjl58qpz3r23sdzpk-home-manager-generation.drv' failed to build
error: 1 dependencies of derivation '/nix/store/2y84x2831121vslgl4z9kklqkdcj149z-user-environment.drv' failed to build
error: 1 dependencies of derivation '/nix/store/02h5a3c77x6y43i9yg3y4c72dkh0x4qk-etc.drv' failed to build
error: 1 dependencies of derivation '/nix/store/9jqnvd1nkrj1kcxlcbb5v2wmh0iawpjq-nixos-system-vyasapura-25.11.20250619.08f2208.drv' failed to build
Command '['nix', '--extra-experimental-features', 'nix-command flakes', 'build', '--print-out-paths', 'git+file:///home/ryann/nix_configs#nixosConfigurations."vyasapura".config.system.build.toplevel', '--no-link']' returned non-zero exit status 1.