Update app.py

app.py

@@ -477,7 +477,7 @@ def api_fn(api):
 @spaces.GPU(duration=45)
 def generate(prompt, vp_pos, vp_neg, slider, example_prompt, gallery, num_inference_steps, seed, randomize_seed):
     if vp_pos == "" and vp_neg == "":
-        gr.Warning("Visual preference is empty.")
+        gr.Warning("Visual preference is empty.", duration=10)
         slider = 0
 
     for filter in word_list: