remove pyright, now tab length 4

flake.nix

@@ -26,9 +26,8 @@
   outputs = { self, nixpkgs, neovim, ... }@inputs: {
 	nixosModules.neovim = {config, pkgs, ...} :
 	{
-	  environment.systemPackages = [
-	    inputs.neovim.packages.${pkgs.system}.neovim
-	    pkgs.nodePackages.pyright 
+	  environment.systemPackages = with pkgs; [
+	    inputs.neovim.packages.${pkgs.system}.neovim 
 	  ];
 	  programs.neovim = {
             enable = true;
@@ -36,18 +35,9 @@
               set runtimepath+=${inputs.plugin-dracula}
               set runtimepath+=${inputs.plugin-lsp}
 	      colorscheme dracula
-
-	  lua << EOF
-          local lspconfig = require('lspconfig')
-
-          -- Configuration de Pyright pour Python
-          lspconfig.pyright.setup {
-            on_attach = function(client, bufnr)
-              print("LSP started.")
-            end,
-            cmd = {"pyright-langserver", "--stdio"}
-          }
-          EOF
+	      set expandtab
+	      set shiftwidth=4
+	  EOF
             '';
 	  };
 	};