app.py updates

app.py

@@ -36,7 +36,7 @@ with Image.open("kitty.jpeg") as img:
     # Draw an ellipse at each coordinate in points
     for point in st.session_state["points"]:
         coords = get_ellipse_coords(point)
-        draw.rectangle(coords, outline="green")
+        draw.rectangle(coords, outline="green",width=2)
 
     value = streamlit_image_coordinates(img, key="pil")
 
@@ -44,5 +44,5 @@ with Image.open("kitty.jpeg") as img:
         point = value["x"], value["y"]
 
         if point not in st.session_state["points"]:
-            st.session_state["points"].append(point)
+            st.session_state["points"]=[point]
             st.experimental_rerun()