'NoneType' object has no attribute add

[Kinmoku]

Hi all,

I've come across a bug. I've attached the error report.

On exploration.rpy line 572 and 573, it adds a persistent item. This is for the Steam achievement "True Detective" where you have to click on every item in the game.

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    elif result == "phone":    
        if "phonetable" in found:
            t "What else is here?"
            
        else:
            $ found.append("phonetable")
            python: # line 572
                persistent.itemcount.add("phone") # line 573

Every item has something similar to this, but "phone" in particular seems to be bugging the most. Could it be that I have used "phone" twice? Unfortunately, I cannot recreate the bug myself so I'm not so sure.

In script.rpy:

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label splashscreen:

    python:
        if type(persistent.itemcount) is not set:
             persistent.itemcount = set(persistent.itemcount)

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init:
    define persistent.itemcount = set( )

Or, could this bug just be because my tester is testing the Steam build outside of Steam, where achievements won't work? I'd like to understand.

After an exploration, you return and this code is present (to register if you have looked at everything):

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    if len(persistent.itemcount) == 31:
        $achievement.grant("detective")
        init:
            $achievement.register("detective")

I appreciate any help

[PyTom]

You probably want:

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default persistent.itemcount = set()

This error makes it seem to me persistent.itemcount is not being initialized properly.

[Kinmoku]

You probably want:
CODE: SELECT ALL
default persistent.itemcount = set()
This error makes it seem to me persistent.itemcount is not being initialized properly.

Thanks Tom! I'll try this instead