Update app.py

app.py

@@ -1,7 +1,10 @@
 import gradio as gr
+from transformers import pipeline
+
+caption = pipeline("image-to-text", model="Salesforce/blip-image-captioning-large")
 
 def greet(img):
-    return 'hey'
+    return caption(img)
 
 iface = gr.Interface(fn=greet, inputs=gr.Image(type='filepath'), outputs="text")
 iface.launch()