Update app.py

app.py

@@ -43,6 +43,16 @@ pre, code {
 
 system_prompt = str(os.getenv("SYSTEM_PROMPT"))
 
+secret_key = str(os.getenv("LANGFUSE_SECRET_KEY"))
+public_key = str(os.getenv("LANGFUSE_PUBLIC_KEY"))
+host = str(os.getenv("LANGFUSE_HOST"))
+
+langfuse = Langfuse(
+  secret_key=secret_key,
+  public_key=public_key,
+  host=host
+)
+
 
 def execution_time_calculator(start_time, log=True):
     delta = time.time() - start_time
@@ -75,7 +85,7 @@ def log_to_langfuse(message, chat_history, max_new_tokens, temperature, top_p, t
     return  "".join(model_outputs) 
 
 
-@spaces.GPU
+@spaces.CPU
 def generate(
     message: str,
     chat_history: list[tuple[str, str]],