תַּם־עֲוֺנֵךְ֙ בַּת־צִיּ֔וֹן לֹ֥א יוֹסִ֖יף לְהַגְלוֹתֵ֑ךְ פָּקַ֤ד עֲוֺנֵךְ֙ בַּת־אֱד֔וֹם גִּלָּ֖ה עַל־חַטֹּאתָֽיִךְ׃ (פ)
The punishment of thine iniquity is accomplished, O daughter of Zion, He will no more carry thee away into captivity; He will punish thine iniquity, O daughter of Edom, He will uncover thy sins.
Rashi on Lamentations
You have been fully chastised for your sins city of Tzion. You suffered for all your sins.
Rashi on Lamentations
He will never exile you again. After the exile of Edom.