Update app.py

app.py

@@ -53,7 +53,7 @@ def generate_image(prompt, negative_prompt, seed, randomize_seed, width, height,
         height=height,
         guidance_scale=guidance_scale,
         num_inference_steps=num_inference_steps,
-        num_images_per_prompt=num_images
+        num_images_per_prompt=num_images,
         generator=generator
         ).images