code/Debug/Block/Abstract.php
public function __()
    {
        $args = func_get_args();
        return $this->helper->useStoreLocale() ? $this->parentTranslate($args) : $this->dummyTranslate($args);
    }
public function __()
    {
        $args = func_get_args();
        return $this->helper->useStoreLocale() ? $this->parentTranslate($args) : $this->dummyTranslate($args);
    }
Don't use translation for our debug module

@return mixed