Update app.py

app.py

@@ -170,7 +170,7 @@ def submit(image):
     balloon = Image.open(os.path.join(os.path.dirname(__file__), 'data/balloon.png')).resize((64, 64))
     new_image = Image.fromarray(image).convert('RGBA')
     for k in range(TOTAL_K):
-        new_image.paste(balloon, [CURRENT_POSITION[k][0], CURRENT_POSITION[k][1] + 64], balloon)
+        new_image.paste(balloon, [CURRENT_POSITION[k][0], CURRENT_POSITION[k][1] - 64], balloon)
     return np.array(new_image)
 
 theme = gr.themes.Default(primary_hue="green")