Update app.py

app.py

@@ -25,13 +25,13 @@ def clip(yt_url, start_timestamp, duration):
             try:
                 ydl_opts["format"] = "22"
                 with yt_dlp.YoutubeDL(ydl_opts) as ydl:
-                    ydl.download([video_url])
+                    ydl.download([yt_url])
             except Exception as e:
                 print(e)
                 ydl_opts["format"] = "bestvideo[height<=480][ext=mp4]+bestaudio[ext=m4a]/best[height<=480[ext=mp4]/best"
                 sleep(5)
                 with yt_dlp.YoutubeDL(ydl_opts) as ydl:
-                    ydl.download([video_url])
+                    ydl.download([yt_url])
         clip_path = os.path.join(tmpdir, f"{uuid4()}.mp3")
         subprocess.run(f'ffmpeg -ss {start_timestamp} -t {duration} -i "{video_output_path}" "{clip_path}"', shell=True)
     return clip_path