Can't reset record value of uploaded early file

[g-rodigy]

How to reset the value of a previously attached file. This code always return old value, why for?

yii2-upload-behavior/src/FileUploadBehavior.php

Lines 102 to 107 in cdb45e6

	} else {
	if (true !== $this->owner->isNewRecord && empty($this->owner->{$this->attribute})) {
	$this->owner->{$this->attribute} = ArrayHelper::getValue($this->owner->oldAttributes, $this->attribute,
	null);
	}
	}