os.environ["LANGCHAIN_TRACING_V2"] = "true"

app.py

@@ -25,6 +25,7 @@ SMITH_APIKEY = st.text_input('Smith Api Key', type='password')
 
 if OPENAI_API_KEY and SMITH_APIKEY:
     os.environ["OPENAI_API_KEY"] = OPENAI_API_KEY
+    os.environ["LANGCHAIN_TRACING_V2"] = "true"
     os.environ["LANGCHAIN_API_KEY"] = SMITH_APIKEY
 
     # Función principal