add stock image

app.py

@@ -142,6 +142,9 @@ stable_fashion_args.num_steps = num_steps
 if file_name is not None:
     result_image = process_image(stable_fashion_args, inpainting_pipeline, net)
     st.image(result_image, caption='Result')
+else:
+    stock_image = PIL.open('assets/abhishek_yellow.jpg')
+    st.image(stock_image, caption='Result')