Description of problem: I guess an Obsoletes is missing. $ sudo dnf debuginfo-install python2-2.7.13-11.fc26.x86_64 ... file /usr/lib/debug/usr/lib64/python2.7/lib-dynload/zlibmodule.so.debug from install of python2-debuginfo-2.7.13-11.fc26.x86_64 conflicts with file from package python-debuginfo-2.7.10-8.fc23.x86_64 file /usr/lib/debug/usr/lib64/python2.7/lib-dynload/zlibmodule_d.so.debug from install of python2-debuginfo-2.7.13-11.fc26.x86_64 conflicts with file from package python-debuginfo-2.7.10-8.fc23.x86_64 ... Actual results: Debuginfo installation command suggested by gdb does not work.
Any idea how to add obsoletes to a debuginfo package?
I had the same question after submitting ;) I think it'd be reasonable to just add the Obsoletes to main package. In practice the number of people who need to install such old debuginfo is probably zero.
A valid bug, but I don't think it's worth fixing.