Update video save path

animation.py

@@ -1,5 +1,6 @@
 import os
 import replicate
+from urllib.request import urlretrieve
 
 def story2video(story_text, story_frames, auth_replicate):
     os.environ["REPLICATE_API_TOKEN"] = auth_replicate
@@ -9,6 +10,7 @@ def story2video(story_text, story_frames, auth_replicate):
         input={"max_frames": story_frames,
                "model_checkpoint": "Protogen_V2.2.ckpt","animation_prompts": story_text,
                "fps": 10
-              }
+        }
     )
+    urlretrieve(output, 'video_out.mp4')
     return output