Update app.py

app.py

@@ -91,7 +91,7 @@ def create_video(frames, fps, type):
     
     clip = ImageSequenceClip(frames, fps=fps)
     
-    maskclip = ImageSequenceClip(frames, fps=fps) #, ismask=True)
+    maskclip = ImageSequenceClip(frames, fps=fps, ismask=True)
     maskclip.to_mask()
     clip.set_mask(maskclip)