Update agent.py

agent.py

@@ -149,6 +149,7 @@ def build_graph(provider: str = "huggingface"):
         # Groq https://console.groq.com/docs/models
         chat = ChatGroq(model="qwen-qwq-32b", temperature=0) # optional : qwen-qwq-32b gemma2-9b-it
     elif provider == "openai":
+        # Set the model from openai here
         model_openai = "gpt-4o"
         chat = ChatOpenAI(
             model=model_openai,