Update app.py

app.py

@@ -59,7 +59,7 @@ def transcribe(audio, state={"text": "", "temp_text": "", "audio": ""}):
         state={"text": "", "temp_text": "", "audio": ""}
     with open(audio, "rb") as f:
             payload = f.read()
-    audio = ffmpeg_read(payload, sampling_rate=16000)   
+    wav_data = ffmpeg_read(payload, sampling_rate=16000)   
     _sr = 16000
      
     speech = is_speech(wav_data, _sr)