Update app.py

app.py

@@ -9,7 +9,7 @@ pipe.to('cuda')
 @spaces.GPU
 def generate(prompt, negative_prompt, num_inference_steps, guidance_scale, width, height, num_samples):
     return pipe(
-        prompt=prompt
+        prompt=prompt,
         negative_prompt=negative_prompt,
         num_inference_steps=num_inference_steps,
         guidance_scale=guidance_scale,