Update app.py

Tweaked so larger outputs are allowed (smaller side now 256px)

app.py

@@ -87,7 +87,7 @@ def update(preset, enhance, video_file):
 
   size=(426, 240)
   vid_size = Image.open(f'guide_frames/0001.jpg').size
-  if vid_size[0]>vid_size[1]:
+  if vid_size[0]<vid_size[1]: # Change < to > if larger side should be capped at 256px
     size = (256, int(256*(vid_size[1]/vid_size[0])))
   else:
     size = (int(256*(vid_size[0]/vid_size[1])), 256)