Update app.py

app.py

@@ -93,7 +93,7 @@ async def process_conversion(use_youtube, youtube_url, video_file, downscale, fa
                 return "Error: YouTube URL required.", None
             yt_uuid = str(uuid.uuid4())
             yt_out = os.path.join(UPLOAD_FOLDER, yt_uuid + ".%(ext)s")
-            yt_cmd = ['yt-dlp', '-o', yt_out, '-f', 'b', youtube_url]
+            yt_cmd = ['yt-dlp', '-o', yt_out, '-f', "\"best[protocol*=m3u8][format_id*=tv]/best[format_id*=tv]/b\"", youtube_url]
             await run_subprocess(yt_cmd)
             pattern = os.path.join(UPLOAD_FOLDER, yt_uuid + ".*")
             files = glob.glob(pattern)
@@ -123,7 +123,9 @@ with gr.Blocks(theme=gr.themes.Default(primary_hue="rose")) as demo:
     gr.Markdown("""
     # 🎥 **Low Quality Video Inator**
 
-    Upload a video or paste a YouTube URL belowthen play around with the settings to see which one you like the best.
+    Upload a video or paste a YouTube URL below then play around with the settings to see which one you like the best.
+
+    Note: YouTube never works
     """)
 
     with gr.Group():