Update Milestone5API.py

Milestone5API.py

@@ -100,7 +100,7 @@ def download_video_transcript(video_url, target_lang='fr'):
 
             for lang in ['en', 'auto']:
                 try:
-                    transcript = transcript_list.find_transcript([lang])
+                    transcript = transcript_list.find_generated_transcript([source_lang]).fetch()
                     break  # Stop if found
                 except Exception as e:
                     continue