Infrastructure

# yum install katello-agent
Loaded plugins: enabled_repos_upload, fastestmirror, package_upload, product-id, search-disabled-repos, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Setting up Install Process
Loading mirror speeds from cached hostfile
 * base: packages.oit.ncsu.edu
 * epel: mirror.vcu.edu
 * extras: packages.oit.ncsu.edu
 * updates: packages.oit.ncsu.edu
Resolving Dependencies
--> Running transaction check
---> Package katello-agent.noarch 0:3.3.5-4.el6 will be installed
--> Processing Dependency: gofer < 2.12 for package: katello-agent-3.3.5-4.el6.noarch
--> Processing Dependency: python-pulp-agent-lib >= 2.6 for package: katello-agent-3.3.5-4.el6.noarch
--> Processing Dependency: python-gofer-proton >= 2.5 for package: katello-agent-3.3.5-4.el6.noarch
--> Processing Dependency: pulp-rpm-handlers >= 2.6 for package: katello-agent-3.3.5-4.el6.noarch
--> Processing Dependency: gofer >= 2.11.5 for package: katello-agent-3.3.5-4.el6.noarch
--> Running transaction check
---> Package gofer.noarch 0:2.11.9-1.el6 will be installed
--> Processing Dependency: python-gofer = 2.11.9 for package: gofer-2.11.9-1.el6.noarch
---> Package pulp-rpm-handlers.noarch 0:2.18.0-1.el6 will be installed
--> Processing Dependency: python-pulp-rpm-common = 2.18.0 for package: pulp-rpm-handlers-2.18.0-1.el6.noarch
---> Package python-gofer-proton.noarch 0:2.11.9-1.el6 will be installed
--> Processing Dependency: python-qpid-proton >= 0.9-5 for package: python-gofer-proton-2.11.9-1.el6.noarch
---> Package python-pulp-agent-lib.noarch 0:2.18.0-2.el6 will be installed
--> Processing Dependency: python-pulp-common = 2.18.0 for package: python-pulp-agent-lib-2.18.0-2.el6.noarch
--> Running transaction check
---> Package python-gofer.noarch 0:2.11.9-1.el6 will be installed
---> Package python-pulp-common.noarch 0:2.18.0-2.el6 will be installed
--> Processing Dependency: python-isodate >= 0.5.0-1.pulp for package: python-pulp-common-2.18.0-2.el6.noarch
---> Package python-pulp-rpm-common.noarch 0:2.18.0-1.el6 will be installed
---> Package python2-qpid-proton.x86_64 0:0.24.0-1.el6 will be installed
--> Processing Dependency: qpid-proton-c(x86-64) = 0.24.0-1.el6 for package: python2-qpid-proton-0.24.0-1.el6.x86_64
--> Processing Dependency: libqpid-proton.so.11()(64bit) for package: python2-qpid-proton-0.24.0-1.el6.x86_64
--> Running transaction check
---> Package python-pulp-common.noarch 0:2.18.0-2.el6 will be installed
--> Processing Dependency: python-isodate >= 0.5.0-1.pulp for package: python-pulp-common-2.18.0-2.el6.noarch
---> Package qpid-proton-c.x86_64 0:0.24.0-1.el6 will be installed
--> Finished Dependency Resolution
Error: Package: python-pulp-common-2.18.0-2.el6.noarch (pulp)
           Requires: python-isodate >= 0.5.0-1.pulp
           Available: python-isodate-0.4.7-1.el6.noarch (epel)
               python-isodate = 0.4.7-1.el6

I do see the missing rpm in 2.14 -> https://repos.fedorapeople.org/repos/pulp/pulp/stable/2.14/6Server/x86_64/python-isodate-0.5.0-4.pulp.el6.noarch.rpm

Guessing we lost track of the rpm in builds after that.