<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def delete_entry_tag(sender, instance, **kwargs):
 """ Deletes EntryTag for Entry corresponding to specified TaggedItemBase instance. :param sender: the sending TaggedItemBase class. :param instance: the TaggedItemBase instance. """

    from ..models import (
        Entry,
        EntryTag
    )

    entry   = Entry.objects.get_for_model(instance.content_object)[0]
    tag     = instance.tag

    EntryTag.objects.filter(tag=tag, entry=entry).delete()