Update utilities.py

lollms/utilities.py

@@ -337,6 +337,9 @@ def show_custom_dialog(title, text, options):
     
 def show_yes_no_dialog(title, text):
     try:
+        import pipmaster as pm
+        if not pm.is_installed("tk"):
+            pm.install("tk")
         import tkinter as tk
         from tkinter import messagebox
         # Create a new Tkinter root window and hide it
@@ -1267,4 +1270,4 @@ def remove_text_from_string(string: str, text_to_find:str):
     if index != -1:
         string = string[:index]
 
-    return string
+    return string