Update app.py

app.py

@@ -21,11 +21,11 @@ apply_hidiffusion(pipe)
 apply_hidiffusion(pipe_15)
 
 @spaces.GPU
-def run_hidiffusion(prompt, negative_prompt, progress=gr.Progress(track_tqdm=True)):
+def run_hidiffusion(prompt, negative_prompt="", progress=gr.Progress(track_tqdm=True)):
     return pipe(prompt, guidance_scale=7.5, height=2048, width=2048, eta=1.0, negative_prompt=negative_prompt, num_inference_steps=25).images[0]
 
 @spaces.GPU
-def run_hidiffusion_15(prompt, negative_prompt, progress=gr.Progress(track_tqdm=True)):
+def run_hidiffusion_15(prompt, negative_prompt="", progress=gr.Progress(track_tqdm=True)):
     return pipe_15(prompt, guidance_scale=7.5, height=1024, width=1024, eta=1.0, negative_prompt=negative_prompt, num_inference_steps=25).images[0]
 
 with gr.Blocks() as demo:
@@ -43,10 +43,11 @@ with gr.Blocks() as demo:
         btn_15 = gr.Button("Run")
     output = gr.Image(label="Result")
     gr.Examples(examples=[
-            ["Echoes of a forgotten song drift across the moonlit sea, where a ghost ship sails, its spectral crew bound to an eternal quest for redemption.", ""],
-            ["Roger rabbit as a real person, photorealistic, cinematic.", ""],
-            ["tanding tall amidst the ruins, a stone golem awakens, vines and flowers sprouting from the crevices in its body.",""]
-    ], inputs=[prompt, negative_prompt], outputs=[output], fn=run_hidiffusion)
+            "Echoes of a forgotten song drift across the moonlit sea, where a ghost ship sails, its spectral crew bound to an eternal quest for redemption.",
+            "Roger rabbit as a real person, photorealistic, cinematic.",
+            "tanding tall amidst the ruins, a stone golem awakens, vines and flowers sprouting from the crevices in its body."
+    ], inputs=[prompt], outputs=[output], fn=run_hidiffusion)
+    
     btn.click(fn=run_hidiffusion, inputs=[prompt, negative_prompt], outputs=[output])
     btn_15.click(fn=run_hidiffusion, inputs=[prompt_15, negative_prompt_15], outputs=[output])
 demo.launch()