Update app.py

app.py

@@ -121,7 +121,7 @@ class LangGraphAgent:
             os.environ["LANGCHAIN_PROJECT"] = "agent-benchmark-production"
             print("🔍 LangSmith tracing enabled")
         
-        # Set up LLM
+        # Set up OpenAI LLM
         api_key = os.getenv("OPENAI_API_KEY")
         if not api_key:
             raise ValueError("OPENAI_API_KEY environment variable not set!")