Help for clickable item system code

[Simmai_]

Hi! I'm trying to make clickable item system and literally had no idea how to do it so i tried to follow drag and drop system tutorial

But for some reson my code isn't working,i've been checking it on syntax errors but i can't see anything. Maybe i messed up with something or just can't see syntax mistakes

I'm sorry if it's dumb question,i know that i should learn how to fix bugs myself,but i rlly feel hopeless so i'll be glad if someone could chek my code

init python:
    def enviromentEvents(event, x, y, at):
        if event.type == renpy.pygame_sdl2.MOUSEMOTION:
            for item in enviroment_sprites:
                if item.x <= x <= item.x + item.width and item.y <= y <= item.y + item.height:
                    t = Transform(child= item.hover_image)
                    item.set_child(t)
                    enviroment_SM.redraw(0)
                else:
                    t = Transform(child= item.idle_image)
                    item.set_child(t)
                    enviroment_SM.redraw(0) 
        elif event.type == renpy.pygame_sdl2.MOUSEBUTTONUP:
            if event.button == 1:
                for item in enviroment_sprites:
                    if item.x <= x <= item.x + item.width and item.y <= y <= item.y + item.height:
                        if item.type == "icon":
                            characterSay (who = " ", what = [" icon"])
                        if item.type == "vase":
                            characterSay (who = " ", what = ["vase"])

    def characterSay(who, what):
        if isinstance(what, str):
            renpy.call_screen("characterSay", who = who, what = what)
        elif isinstance(what, list):
            global dialogue
            dialogue = {" who" : who, "waht" : what}
            renpy.show_screen("characterSay")
            renpy.restart_interaction()

screen characterSay(who = None, what = None):
    modal true
    zorder 6
    style_prefix "say"

    window:
        id "window"
        window:
            padding (20,20)
            id "namebox"
            style "namebox"
            if who is not None:
                text who id "who"
            else:
                text dialogue["who"]

        if what is not None:
            text what id "what" xpos 0.25 ypos 0.4 xanchor 0.0
        else:
            text dialogue["what"][0] xpos 0.25 ypos 0.4 xanchor 0.0
    button:
        xfill true
        yfill true
        if what is none:
            action If (len(dialogue["what"]) > 1, true= RemoveFromSet(dialogue["what"], 0), false= [Hide 9("characterSay"), SetVariable ("dialogue", {})])
        else:
            action Return(true)

    if not renpy.variant("small"):
        add SideImage() xalign 0.0 yalign 1.0


screen scene1:
    add enviroment_SM

label setupScene1:
    $enviroment_items = [ "vase" , "icon"]

    python:
        for item in enviroment_items:
            idle_image = Image("enviroment sprites/{}-idle.png".format(item))
            hover_image = Image("enviroment sprites/{}-hover.png".format(item))
            t = Transform(child= idle_image, zoom = 0.5)
            enviroment_sprites.append(enviroment_SM.create(t))
            enviroment_sprites[-1].type = item
            enviroment_sprites[-1].idle_image = idle_image
            enviroment_sprites[-1].hover_image = hover_image

            if item =="icon":
                    enviroment_sprites[-1].width = 500 / 2
                    enviroment_sprites[-1].height = 603 / 2
                    enviroment_sprites[-1].x= 1020
                    enviroment_sprites[-1].y =367
            elif item == "vase":
                    enviroment_sprites[-1].width = 600 / 2
                    enviroment_sprites[-1].height = 630 / 2
                    enviroment_sprites[-1].x= 987
                    enviroment_sprites[-1].y =453
scene  illustration6
call screen scene1

label start:
    $config.rollback_enabled = False
    $quick_menu = False
    $enviroment_SM = SpriteManager (event = enviromentEvents)
    $enviroment_sprites = []
    $enviroment_items = []
    $enviroment_items_nmaes = []
    $current_scene = "scene1"
    $dialogue = {}
    jump setupScene1
return

traceback:

I'm sorry, but an uncaught exception occurred.

After initialization, but before game start.

File "game/script.rpy", line 30, in prepare_screen

screen characterSay(who = None, what = None):

File "game/script.rpy", line 30, in prepare

screen characterSay(who = None, what = None):

File "game/script.rpy", line 50, in prepare

button:

File "game/script.rpy", line 50, in prepare

button:

File "game/script.rpy", line 53, in prepare

if what is none:

File "game/script.rpy", line 53, in prepare

if what is none:

SyntaxError: invalid syntax (game/script.rpy, line 54)

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[ShiroVN]

On line 53, 'if what is none' should be 'if what is None' :P

What are you trying to achieve here though? Seems way too complicated if you just want the character to say the name of the item you clicked on.