Dear maintainer, The package is also uninstallable in bookworm with:
The following packages have unmet dependencies: python3-sage : Depends: libgap7 (>= 4.11.0-1) but it is not installable Depends: libpari-gmp-tls7 but it is not installable Depends: libsingular4m2n1 (>= 1:4.2.1-p3+ds) but it is not installable Recommends: cysignals-tools but it is not going to be installed Recommends: maxima-sage-doc (>= 5.42.2) but it is not going to be installed Recommends: python3-sagenb-export (>= 3.2) but it is not going to be installed Recommends: singular-doc (>= 1:4.2.1-p2+ds-3) but it is not going to be installed With respect to the missing dependencies, I remark that bookworm contains the following packages: ** libgap8* instead of *libgap7* ** libpari-gmp-tls8* instead of *libpari-gmp-tls7* ** libsingular4m3n0 *instead of *libsingular4m2n1* Potentially, fixing installability might be as simple as updating the dependencies.