\Magento\Eav\Model\Config::getAttribute() method is declared with wrong PHPDoc return type

[dmitrii-fediuk]

magento2/app/code/Magento/Eav/Model/Config.php

Line 421 in fa9c569

* @return \Magento\Eav\Model\Entity\Attribute\AbstractAttribute|false

The declaration @return \Magento\Eav\Model\Entity\Attribute\AbstractAttribute|false is wrong because the method unable to return false.

[piotrekkaminski]

internal issue MAGETWO-44686

[davidalger]

Fixed. Please reopen if issue persists.