Update app.py

app.py

@@ -275,6 +275,9 @@ def api_fn(api):
 
 @spaces.GPU(duration=100)
 def generate(prompt, vp_pos, vp_neg, slider):
+    if vp_pos == "" and vp_neg == "":
+        slider = 0
+    
     print(f"prompt: {prompt}")
     image = pipe(prompt=prompt, 
                 num_inference_steps=40, 
@@ -398,7 +401,7 @@ with gr.Blocks(css=css, title="ViPer Demo", theme=gr.themes.Base()) as demo:
                     container=False,
                 )
                 
-                run_button = gr.Button("Run", scale=0, interactive=False)
+                run_button = gr.Button("Run", scale=0, interactive=True)
 
             result = gr.Image(label="Result", show_label=False, interactive=False)