Update app.py

app.py

@@ -46,6 +46,7 @@ def emulate(text, ttft=1000, out_tps=10, in_tps=None, model_name="lmsys/vicuna-7
   print(f'Starting...\n\n')
   start_time = time.time()
   # Delay by ttft
+  yield "[starting]\n"
   sleep_ms(ttft)
   ttft_time = time.time()