Update app.py

app.py

@@ -12,6 +12,8 @@ from langchain_core.runnables import RunnablePassthrough
 from langchain.schema import StrOutputParser
 
 os.environ["OPENAI_API_KEY"] = st.secrets['OPENAI']  # agregada en la config de hugginface
+os.environ["LANGCHAIN_TRACING_V2"] = "true"
+os.environ["LANGCHAIN_API_KEY"] = st.secrets['OPENAI'] 
 
 with st.status("Cargando app...", expanded=True) as status:
     loader = PyPDFLoader("https://www.sii.cl/normativa_legislacion/circulares/2024/circu3.pdf")