Update app.py

app.py

@@ -1,7 +1,6 @@
 import gradio as gr
 import moviepy.editor as mp
 import librosa
-import numpy as np
 from transformers import pipeline
 from concurrent.futures import ThreadPoolExecutor
 import tempfile
@@ -46,8 +45,8 @@ def generate_subtitles(video_file, language_name):
         audio = video.audio
 
         # Use a temporary file to hold the audio data
-        with tempfile.NamedTemporaryFile(delete=True) as tmp_audio_file:
-            audio.write_audiofile(tmp_audio_file.name, codec='pcm_s16le')
+        with tempfile.NamedTemporaryFile(delete=True, suffix='.wav') as tmp_audio_file:
+            audio.write_audiofile(tmp_audio_file.name, codec='pcm_s16le')  # Specify codec as pcm_s16le
 
             print("Starting speech-to-text transcription")