Python sesi algılanmıyor

import speech_recognition
r = sr.Recognizer()

def record():
    with sr.Microphone () as source :
                audio = r.listen(source)
                voice = r.recognize_google(audio,language='tr-TR')
                try:
                    voice = r.recognize_google(audio, language='tr-TR')
                except sr.UnknownValueError:
                    mixer.init()
                    mixer.music.load('C:/Users/User/Desktop/python/pythonProject4/jarvis/Duyamadım.wav')
                    mixer.music.play()
                    print("Duyamadım?")
                except sr.RequestError :
                    mixer.init()
                    mixer.music.load('C:/Users/User/Desktop/python/pythonProject4/jarvis/Bir şeyler.wav')
                    mixer.music.play()
                    print("Bir şeyler ters gitti")
                return voice


print("çalışıyon mu la az tepki ver")
record()
print(voice)