Is it possible to "remove" an apt-cache policy entry?

Question

I'm having trouble installing a package, and I think it might be because apt wants to install the wrong version of it.

If I run apt-cache policy python3.10, I see:

$ sudo apt-cache policy python3.10
python3.10:
  Installed: 3.10.14-1+focal1
  Candidate: 3.10.14-1+focal1
  Version table:
 *** 3.10.14-1+focal1 100
        100 /var/lib/dpkg/status
     3.10.12-1~22.04.3 500
        500 http://ubuntu-arch.linux.edu.lv/ubuntu jammy-updates/main amd64 Packages
        500 http://ubuntu-arch.linux.edu.lv/ubuntu jammy-security/main amd64 Packages
     3.10.4-3 500
        500 http://ubuntu-arch.linux.edu.lv/ubuntu jammy/main amd64 Packages

I have just upgraded from focal to jammy, and I think the first line in the version table is causing problems - apt wants to install the focal version instead of the jammy version.

How can I drop that version so it doesn't appear in this list, and so apt doesn't use that one anymore?

Is it possible to "remove" an apt-cache policy entry?

0 Answers0