https://docs.python.org/pt-br/3.13/whatsnew/3.13.html:

Removed modules:

• PEP 594: The remaining 19 “dead batteries” have been removed from the standard library: aifc, audioop, cgi, cgitb, chunk, crypt, imghdr, mailcap, msilib, nis, nntplib, ossaudiodev, pipes, sndhdr, spwd, sunau, telnetlib, uu and xdrlib.
• Also removed were the tkinter.tix and lib2to3 modules, and the 2to3 program.

• Remove old buffer protocols deprecated in Python 3.0. Use Buffer Protocol instead.