Update app.py

app.py

@@ -222,7 +222,7 @@ def render(motions, device_id=0, name='test_vis'):
         r.delete()
 
     out = np.stack(vid, axis=0)
-    imageio.mimwrite(f'output/results.gif', out, fps=20)
+    imageio.mimwrite(f'output/results.gif', out, duration=20)
     out_video = mp.VideoFileClip(f'output/results.gif')
     out_video.write_videofile("output/results.mp4")
     del out, vertices