update

configuration.nix

@@ -2,7 +2,7 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ config, pkgs, lib, ... }:
+{ pkgs, lib, ... }:
 
 let
   kubeMasterIP = "192.168.11.2";
@@ -10,6 +10,13 @@ let
   kubeMasterAPIServerPort = 6443;
 in
 { 
+  nixpkgs.overlays = [
+    (final: prev: {
+      open-webui = prev.open-webui.overridePythonAttrs(old: {
+        dependencies = old.dependencies ++ [pkgs.python311Packages.emoji];
+      });
+    })
+  ];
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix