Update app.py

app.py

@@ -20,8 +20,8 @@ def transcribe(file):
             audio = audio.set_frame_rate(16000)
         if audio.channels != 1:
             audio = audio.set_channels(1)
-        new_file_name = file.split(".")[0]+".wav"
-        audio.export(new_file_name,format)
+        file = file.split(".")[0]+".wav"
+        audio.export(file,format="wav")
     except Exception as e:
         print(e)
     transcription= asr_model.transcribe([new_file_name])