Update translated_video.py

translated_video.py

@@ -60,7 +60,7 @@ def create_translated_video(original_video_path, translated_audio_path, translat
 
     # Add subtitles
     final_video_file = os.path.join(output_dir, video_name)
-    final_video_file = os.path.join(final_video_file, ".mp4")
+    final_video_file += ".mp4"
 
     # Correct the subtitle filter string for ffmpeg
     subtitle_filter_str = f"subtitles='{srt_file}'"