Update chatbot_ui.py

chatbot_ui.py

@@ -40,9 +40,12 @@ class ChatbotUI:
         self.user_input.delete(0, tk.END)
 
 def run_chat_ui():
-    root = tk.Tk()
-    chatbot_ui = ChatbotUI(root)
-    root.mainloop()
+    try:
+        root = tk.Tk()
+        chatbot_ui = ChatbotUI(root)
+        root.mainloop()
+    except tk.TclError:
+        print("No graphical display found. Running in non-GUI mode.")
 
 if __name__ == "__main__":
     run_chat_ui()