test: fix saving and reloading image

app.py

@@ -61,11 +61,11 @@ Experimental OCR-free Document Understanding Vision Transformer nicknamed 🍩,
 
 with st.sidebar:
     information = st.radio(
-    "What information inside the 🧾s are you interested in extracting?",
+    "What information inside the 📑s are you interested in extracting?",
     ('Base Common-Crawl 🍩', 'Hierarchical Common-Crawl 🍩'))
-    image_choice = st.selectbox('Pick one 🧾', ['1', '2', '3'], index=1)
+    image_choice = st.selectbox('Pick one 📑', ['1', '2', '3'], index=1)
         
-st.text(f'{information} mode is ON!\nTarget 🧾: {image_choice}')  # \n(opening image @:./img/receipt-{receipt}.png)')
+st.text(f'{information} mode is ON!\nTarget 📑: {image_choice}')  # \n(opening image @:./img/receipt-{receipt}.png)')
 
 col1, col2 = st.columns(2)
 
@@ -75,6 +75,9 @@ image_choice_map = {
     '3': 'commoncrawl_celstuttgartdeideaa-different-stort-of-nfe_0.png'
 }
 image = Image.open(image_choice_map[image_choice])
+image.save('./target_image.jpg')
+image = Image.open('./target_image.jpg')
+
 with col1:
     st.image(image, caption='Your target sample')