Update app.py

app.py

@@ -1,4 +1,5 @@
 from smolagents import CodeAgent, DuckDuckGoSearchTool, tool
+from smolagents.models import LiteLLMModel  # ✨ ADD THIS
 import gradio as gr
 import datetime
 import pytz
@@ -54,9 +55,17 @@ def simple_calculator(expression: str) -> str:
     except:
         return "❌ Invalid math expression"
 
+# ==================== CREATE MODEL ====================
+# ✨ ADD THIS: Create a model object
+model = LiteLLMModel(
+    model="gpt-3.5-turbo",  # Free model that works
+    api_base="https://api.openai.com/v1",  # OpenAI endpoint
+    temperature=0.5
+)
+
 # ==================== CREATE AGENT ====================
-# ✨ NO FinalAnswerTool needed!
 agent = CodeAgent(
+    model=model,  # ✨ ADD THIS: Pass the model object
     tools=[
         DuckDuckGoSearchTool(),          # Web search
         get_current_time_in_timezone,    # Time tool