cap image size, ensure result dimension is divisible by 32

app.py

@@ -34,8 +34,8 @@ def resize_image_dimensions(
     new_width = int(width * scaling_factor)
     new_height = int(height * scaling_factor)
 
-    new_width = new_width - (new_width % 8)
-    new_height = new_height - (new_height % 8)
+    new_width = new_width - (new_width % 32)
+    new_height = new_height - (new_height % 32)
 
     new_width = min(maximum_dimension, new_width)
     new_height = min(maximum_dimension, new_height)