fix case when user inputs srt file.

main.py

@@ -76,7 +76,7 @@ async def process_video_api(video_file: UploadFile = File(media_type="video"),
                     finally:
                         srt_file.file.close()
                 logging.info("Processing the video...")
-                output_path, _ = process_video(temp_file.name, temp_srt_file.name, task, max_words_per_line, fontsize, font, bg_color, text_color, caption_mode)
+                output_path, srt_path = process_video(temp_file.name, temp_srt_file.name, task, max_words_per_line, fontsize, font, bg_color, text_color, caption_mode)
                 logging.info("Zipping response...")
                 with open(os.path.join(temp_dir, f"{video_file.filename.split('.')[0]}.zip"), 'w+b') as temp_zip_file:
                     zip_file = zip_response(temp_zip_file.name, [output_path, srt_path])