1error:2 … while evaluating a branch condition3 at «string»:25:5:4 24| v:5 25| if !builtins.isAttrs v || isDrv v then6 | ^7 26| v89 … in the left operand of the OR (||) operator10 at «string»:25:28:11 24| v:12 25| if !builtins.isAttrs v || isDrv v then13 | ^14 26| v1516 … while evaluating definitions from `/nix/store/xfg4bws749i95jvnxhymxmfwailzk38q-source/modules/transposition.nix':1718 … while evaluating definitions from `/nix/store/y1bbmk1b1dm8yyzymcybn9brxwva66sq-source/flake.nix, via option perSystem':1920 … while evaluating the option `system.build.toplevel':2122 … while evaluating definitions from `/nix/store/cc7ff4ysismx0c3778v8gc6b14plrz3z-source/nixos/modules/system/activation/top-level.nix':2324 … while evaluating the option `warnings':2526 … while evaluating definitions from `/nix/store/cc7ff4ysismx0c3778v8gc6b14plrz3z-source/nixos/modules/system/boot/systemd.nix':2728 … while evaluating the option `systemd.services.litellm.serviceConfig':2930 … while evaluating definitions from `/nix/store/cc7ff4ysismx0c3778v8gc6b14plrz3z-source/nixos/modules/services/misc/litellm.nix':3132 … while evaluating definitions from `/nix/store/y1bbmk1b1dm8yyzymcybn9brxwva66sq-source/machines/pubproxy01/public-inference-proxy.nix':3334 (stack trace truncated; use '--show-trace' to show the full, detailed trace)3536 error: public-inference-proxy: expected exactly one upstream model group, got 2