Update app.py

app.py

@@ -32,7 +32,7 @@ LANGCHAIN_TRACING_V2 = "true"
 LANGCHAIN_ENDPOINT = "https://api.smith.langchain.com"
 LANGCHAIN_PROJECT = "Inkqa"
 
-client = Client() #langsmith client
+client = Client(api_key=LANGCHAIN_API_KEY) # Langsmith client
 
 #------------------------------------------------------------------------
 # Initialize