def _add_tip_during_transfer(self, tips, **kwargs):
        """
        Performs a :any:`pick_up_tip` when running a :any:`transfer`,
        :any:`distribute`, or :any:`consolidate`.
        """
        if self.has_tip_rack() and tips > 0 and not self.current_tip():
            self.pick_up_tip()
Performs a :any:`pick_up_tip` when running a :any:`transfer`,
        :any:`distribute`, or :any:`consolidate`.