only return output enable queue and cache

app.py

@@ -51,7 +51,7 @@ def generate(image,context, length, temperature, top_k):
     top_k = top_k
   )
 
-  return context + output[0]
+  return output[0]
 
 iface = gr.Interface(
   fn=generate,
@@ -65,6 +65,6 @@ iface = gr.Interface(
     gr.inputs.Slider(minimum=0, maximum=100, default=0, step=1, label='Top K')
   ],
   outputs=["textbox"]
-).launch()
+).launch(enable_queue=True,cache_examples=True)