Update video2.py

video2.py

@@ -70,6 +70,6 @@ def video_func(id,lines):
   final_clip = CompositeVideoClip([image_clip] + highlight_clips)
   audio = AudioFileClip(audio_path)
   final_clip = final_clip.set_audio(audio)
-  clip_name = "clip"+str(id)+".mp3"
+  clip_name = "clip"+str(id)+".mp4"
   video_path=os.path.join(CLIPS_DIR,clip_name)
   final_clip.write_videofile(video_path, fps=24)