Normal Debian Sid here, I wonder why Apt installed some stuff apparently related to the next version of Python (as of August 3 2020)

$ locate -b python3.9
$ du -s /usr/lib/python3.9/*
756     /usr/lib/python3.9/distutils
72      /usr/lib/python3.9/lib-dynload
484     /usr/lib/python3.9/lib2to3
380     /usr/lib/python3.9/tkinter
$ for d in `ls -d /usr/lib/python3.9/*` ; do dpkg -S $d ; done
python3-distutils: /usr/lib/python3.9/distutils
python3-tk:amd64: /usr/lib/python3.9/lib-dynload
python3-lib2to3: /usr/lib/python3.9/lib2to3
python3-tk:amd64: /usr/lib/python3.9/tkinter

1 Answer 1


These packages all come from python3-stdlib-extensions, which added 3.9 versions a few weeks ago.

This is an early step in the transition to Python 3.9, and doesn’t have any effect on programs using Python 3.8 (the current default version in unstable).

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