Update app.py

app.py

@@ -13,8 +13,7 @@ from moviepy import (
     CompositeAudioClip,
     AudioFileClip,
     concatenate_videoclips,
-    concatenate_audioclips,
-    silence
+    concatenate_audioclips
 )
 from gtts import gTTS
 import subprocess
@@ -87,6 +86,12 @@ logging.basicConfig(level=logging.DEBUG, format="%(asctime)s - %(levelname)s - %
 logger = logging.getLogger(__name__)
 logger.info(f"MoviePy Version: {moviepy.__version__}")
 
+def silence(duration, fps=44100):
+    """
+    Returns a silent AudioClip of the specified duration.
+    """
+    return AudioFileClip(np.zeros((int(fps*duration), 2)), fps=fps) 
+
 def transcribe_video(video_path):
     # Load the video file and extract audio
     video = VideoFileClip(video_path)