Replace pyaudio with soundfile for easier installation

app.py

@@ -1,5 +1,6 @@
 import gradio as gr
 import speech_recognition as sr
+import soundfile as sf
 import cv2
 from transformers import pipeline
 
@@ -58,3 +59,4 @@ def main_interface():
 
 if __name__ == "__main__":
     main_interface().launch()
+