Args:
            anchors (str | unicode | list): Optional paths to use as anchors for short()

def pop(cls, anchors):
        """
        Args:
            anchors (str | unicode | list): Optional paths to use as anchors for short()
        """
        for anchor in flattened(anchors, split=SANITIZED | UNIQUE):
            if anchor in cls.paths:
                cls.paths.remove(anchor)