Update app.py

app.py

@@ -49,9 +49,9 @@ state = {
 result = {}
 
 
-vid_frames = (np.random.rand(100, 100, 3)*255).astype('uint8')
 out = cv2.VideoWriter("static/test_video.mp4", cv2.VideoWriter_fourcc(*'mp4v'), 10, [ 100, 100 ] )
-for j, frame in enumerate(vid_frames):
+for i in range(20):
+    frame = (np.random.rand(100, 100, 3)*255).astype('uint8')
     out.write(frame)
 out.release()