Update app.py

app.py

@@ -89,15 +89,15 @@ def generate_video_gpu(
     width, height = int(width), int(height)
     negative_prompt = "" # not applicable in the inference
     print("Predicting video...")
+    generator = torch.manual_seed(seed)
     frames: List[PIL.Image.Image] = model(
         prompt=prompt,
         height=height,
         width=width, 
         num_frames=video_length,
-        seed=seed,
+        generator=generator,
         num_inference_steps=num_inference_steps,
-        guidance_scale=guidance_scale,
-        num_videos_per_prompt=1
+        guidance_scale=guidance_scale
     ).frames[0]
 
     output_video = export_to_video(frames, fps=15)