options is a taken var name

config/default.nix

@@ -1,4 +1,4 @@
-{ pkgs, options, ... }: {
+{ pkgs, opts, ... }: {
   # Import all your configuration modules here
   imports = [ ./bufferline.nix ];
 
@@ -185,5 +185,5 @@
 
   ];
 
-  colorscheme = if options.pywal then "pywal" else "tokyonight-storm";
+  colorscheme = if opts.pywal then "pywal" else "tokyonight-storm";
 }

flake.nix

@@ -22,33 +22,33 @@
         let
           nixvimLib = nixvim.lib.${system};
           nixvim' = nixvim.legacyPackages.${system};
-          nixvimModule = options: {
+          nixvimModule = opts: {
             inherit pkgs;
             module = import ./config; # import the module directly
             # You can use `extraSpecialArgs` to pass additional arguments to your module files
             extraSpecialArgs = {
               inherit pkgs;
-              inherit options;
+              inherit opts;
             };
           };
-          nvim = options: nixvim'.makeNixvimWithModule (nixvimModule options);
+          nvim = opts: nixvim'.makeNixvimWithModule (nixvimModule opts);
         in
         {
           checks = {
             # Run `nix flake check .` to verify that your config is not broken
-            default = nixvimLib.check.mkTestDerivationFromNixvimModule (nixvimModule { options = { pywal = false; }; });
+            default = nixvimLib.check.mkTestDerivationFromNixvimModule (nixvimModule { opts = { pywal = false; }; });
           };
 
           packages = {
             # Lets you run `nix run .` to start nixvim
             default = nvim { 
-                options = {
+                opts = {
                     pywal = false;
                 };
             };
 
             pywal = nvim {
-                options = {
+                opts = {
                     pywal = true;
                 };
             };