" rather than '

sample_video.py

@@ -17,7 +17,7 @@ def main():
         raise ValueError(f"`models_root` not exists: {models_root_path}")
     
     # Create save folder to save the samples
-    save_path = args.save_path if args.save_path_suffix=="" else f'{args.save_path}_{args.save_path_suffix}'
+    save_path = args.save_path if args.save_path_suffix=="" else f"{args.save_path}_{args.save_path_suffix}"
     if not os.path.exists(args.save_path):
         os.makedirs(save_path, exist_ok=True)
 
@@ -43,16 +43,16 @@ def main():
         batch_size=args.batch_size,
         embedded_guidance_scale=args.embedded_cfg_scale
     )
-    samples = outputs['samples']
+    samples = outputs["samples"]
     
     # Save samples
-    if 'LOCAL_RANK' not in os.environ or int(os.environ['LOCAL_RANK']) == 0:
+    if "LOCAL_RANK" not in os.environ or int(os.environ["LOCAL_RANK"]) == 0:
         for i, sample in enumerate(samples):
             sample = samples[i].unsqueeze(0)
             time_flag = datetime.fromtimestamp(time.time()).strftime("%Y-%m-%d-%H:%M:%S")
             save_path = f"{save_path}/{time_flag}_seed{outputs['seeds'][i]}_{outputs['prompts'][i][:100].replace('/','')}.mp4"
             save_videos_grid(sample, save_path, fps=24)
-            logger.info(f'Sample save to: {save_path}')
+            logger.info(f"Sample save to: {save_path}")
 
 if __name__ == "__main__":
     main()