Update app.py

app.py

@@ -15,6 +15,7 @@ from llama_index.core import (
     set_global_handler
 )
 from llama_index.llms.openai import OpenAI as OpenAIChat
+from llama_index.llms import OpenAI as LlamaOpenAI
 from llama_index.core.tools import FunctionTool
 from llama_index.agent.openai import OpenAIAgent
 
@@ -56,6 +57,12 @@ class BasicAgent:
     
             # Registra il tool
             Settings.tools = [ingredient_tool]
+
+            llm = LlamaOpenAI(
+                model="gpt-4o",
+                temperature=0.0,
+                api_key=openai_api_key
+            )
     
             # Prepara l'agente
             self.agent = OpenAIAgent.from_tools([ingredient_tool], llm=llm, verbose=True)