def title_with_child(self):
        """Get Timer title with child name in parenthesis."""
        title = str(self)
        # Only actually add the name if there is more than one Child instance.
        if title and self.child and Child.count() > 1:
            title = format_lazy("{title} ({child})", title=title, child=self.child)
        return title
Get Timer title with child name in parenthesis.
core/models.py