Update app.py

app.py

@@ -8,7 +8,7 @@ from PIL import Image
 from utils.azure_translate import translate_text_azure
 from utils.image_utils import split_image, encode_image_to_html
 from utils.ocr_utils import extract_and_translate_chunk
-from utils.polygon_utils import draw_translated_text_convex, render_translated_chunk
+from utils.polygon_utils import draw_translated_text_convex, render_translated_chunk, shrink_or_expand_polygon
 
 # --- Nano Banana ---
 from utils.nano_banana import nano_banana_translate_inpaint