Refactor app.py to import additional audio processing libraries (pydub and tempfile)

app.py

@@ -1,9 +1,9 @@
 from transformers import WhisperProcessor, WhisperForConditionalGeneration
 import gradio as gr
+from pydub import AudioSegment, silence
+import tempfile
 import torch
 import torchaudio
-from transformers import pipeline
-from transformers.pipelines.audio_utils import ffmpeg_read
 
 MODEL_NAME = "dataprizma/whisper-large-v3-turbo"