improve

app.py

@@ -40,7 +40,8 @@ with tabs2:
         image = Image.open(file_name)
         col1.image(image, use_column_width=True)
         captioner = get_model_image_captioning()
-        predictions = captioner(image)
         col2.header("generated caption")
+        with col2.spinner("Generating caption..."):
+            predictions = captioner(image)
         for generated_text in predictions:
             col2.write(f"\n{generated_text['generated_text']}")