Update app.py

app.py

@@ -144,7 +144,7 @@ def generate_video_from_text(text, opt, pipeline):
     width = 500
     height = 500
     texts = [text]
-    motion_lens = [opt.motion_length * opt.fps for _ in range(opt.num_samples)]
+    motion_lens = [opt.motion_length * opt.fps]
     
     save_dir = 'temp/'
     filename = generate_md5(str(time.time())) + ".gif"