Update app.py

app.py

@@ -146,7 +146,7 @@ def process_audio_file(file):
     data = librosa.to_mono(data)
     return data
 
-def transcribe(audio, state, im4, file):
+def transcribe(audio, state = "", im4 = "", file = ""):
     # Grant additional context
     # time.sleep(1)
     if state is None: