Update app.py for ASR test with Whisper

app.py

@@ -1,7 +1,11 @@
 import gradio as gr
+from transformers import pipeline
 
-def greet(name):
-    return "Hello " + name + "!!"
+asr_pipeline = pipeline("automatic-speech-recognition", model="openai/whisper-small")
 
-demo = gr.Interface(fn=greet, inputs="text", outputs="text")
-demo.launch()
+def transcribe(audio):
+    text = asr_pipeline(audio)["text"]
+    return text
+
+demo = gr.Interface(fn=transcribe, inputs=gr.Audio(type="filepath"), outputs="text")
+demo.launch()