I can confirm that the sagemath package in mantic-proposed has fixed the bug for me.
Test done according to the testplan: $ sage ┌────────────────────────────────────────────────────────────────────┐ │ SageMath version 9.5, Release Date: 2022-01-30 │ │ Using Python 3.11.6. Type "help()" for help. │ └────────────────────────────────────────────────────────────────────┘ sage: 2 + 2 4 sage: factor(-2007) -1 * 3^2 * 223 sage: A = matrix(4,4, range(16)); A [ 0 1 2 3] [ 4 5 6 7] [ 8 9 10 11] [12 13 14 15] sage: factor(A.charpoly()) x^2 * (x^2 - 30*x - 80) Test result: the errors with sagemath has been fixed. Package tested: $ apt-cache policy sagemath sagemath: Installed: 9.5-6ubuntu0.1.1 Candidate: 9.5-6ubuntu0.1.1 Version table: *** 9.5-6ubuntu0.1.1 100 100 http://us.archive.ubuntu.com/ubuntu mantic-proposed/universe amd64 Packages 100 /var/lib/dpkg/status 9.5-6 500 500 http://us.archive.ubuntu.com/ubuntu mantic/universe amd64 Packages ** Tags removed: verification-needed verification-needed-mantic ** Tags added: verification-done verification-done-mantic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2040059 Title: [SRU] Sage crashes on start due to a missmatched dependency To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sagemath/+bug/2040059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs