Update app.py

app.py

@@ -3,15 +3,13 @@ import json
 import uuid
 from langfuse import Langfuse
 import os
-# Langfuse decorator
 from langfuse.decorators import observe, langfuse_context
-# Optional: automated instrumentation via OpenAI SDK integration
-# See note above regarding alternative implementations
 from langfuse.openai import openai, OpenAI
 
-os.environ["LANGFUSE_PUBLIC_KEY"] = os.getenv('LANGFUSE_PUBLIC_KEY')
-os.environ["LANGFUSE_SECRET_KEY"] = os.getenv('LANGFUSE_SECRET_KEY')
-os.environ["LANGFUSE_HOST"] = os.getenv('LANGFUSE_HOST')
+# set Langfuse api keys and host address
+"LANGFUSE_PUBLIC_KEY" = os.getenv('LANGFUSE_PUBLIC_KEY')
+"LANGFUSE_SECRET_KEY" = os.getenv('LANGFUSE_SECRET_KEY')
+"LANGFUSE_HOST" = os.getenv('LANGFUSE_HOST')
 
 # initialize the client but point it to TGI
 client = OpenAI(