I am using `optionVar` to store inputs made within the maya ui commands.
And these storing will only be effected if the tool gui is closed (the 
cross 'x' button within the window) and I am having issues with that...

I am having some issues with the loading and saving when using `optionVar`.

In my current code, I have set it to query the boolean value, where it read 
it as False, when the UI is loaded, it checked the check box which is a 
True value that is wrong...
Additionally, for the saving of inputs upon window closure, it does not 
seems to be able to 'save' the data at all. And when relaunching the code, 
I will get `# RuntimeError: Object 'chk_box' not found. # `

def testWin():
    default_options = cmds.optionVar(
        stringValue=(
            ("checkbox_state", False),
        )
    )
    
    # This will returns me False
    print cmds.optionVar(q="checkbox_state")
    
    
    w = cmds.window()
    col = cmds.columnLayout()
    chk_state = bool(cmds.optionVar(q="checkbox_state"))
    # But it will checked the checkbox though it should be False initially
    chkBox = cmds.checkBox("chk_box", label="checkbox state Testing", 
value=bool(chk_state))
    
    btn = cmds.button('print', c=print_state)
    
    return w

def print_state(*args):
    state = cmds.checkBox("chk_box", query=True, value=True) # Returns me 
the current state - True/ False
    print state

def win_closure(*_):
    #cmds.checkBox("chk_box", query=True, value=True) # Returns me nothing
    cmds.optionVar(stringValue=("checkbox_state", cmds.checkBox("chk_box", 
q=True, value=True)))
    print "window " + w + " was deleted"

win = testWin()
cmds.scriptJob(uiDeleted = (win, win_closure), runOnce=True)
cmds.showWindow(win)


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