Update app.py

app.py

@@ -213,7 +213,7 @@ def showcase(page_num):
     video_html = "<div class='gallery-container'>"
 
     for i in range(start_index, end_index):
-        i = 699-i
+        i = 699 - i
         video_name = f"{i:04d}.mp4"
         caption_name = f"{i:04d}.txt"
         caption_path = os.path.join('prompts', caption_name)