This bug has been created in accordance with https://fedoraproject.org/wiki/Changes/kerberos-in-python-modernization (tracking bug: rhbz#1537249 ). In brief: pykerberos does not provide a good interface, and we would like to eventually remove it. Patches to port to python-gssapi have been provided here for your convenience: https://github.com/pythongssapi/urllib-gssapi Please be aware that this has a hard deadline of March 6 as per https://fedoraproject.org/wiki/Releases/28/Schedule so your prompt action is appreciated.
This bug appears to have been reported against 'rawhide' during the Fedora 28 development cycle. Changing version to '28'.
Patch has been applied, closing.