init python: item_pen = Item( name=__("Pen"), cost=100, descr=__("Basic pen"), shop="tenten", icon="my_mod_folder/pen.webp", ), <--- REMOVE THIS LINE )
Like so:
init python: item_pen = Item( name=__("Pen"), cost=100, descr=__("Basic pen"), shop="tenten", icon="my_mod_folder/pen.webp", )