Update usage.py

usage.py

@@ -1,6 +1,6 @@
 from transformers import pipeline
 
-pipe = pipeline("greek.wav","automatic-speech-recognition", model="stt-greek",return_timestamps=True)
-result=pipe(audio, generate_kwargs={"task": "transcribe"},"language":"el"})["text"]
+pipe = pipeline(automatic-speech-recognition", model="stt-greek",return_timestamps=True)
+result=pipe("greek.wav", generate_kwargs={"task": "transcribe","language":"el"})["text"]
 print (result)