undercloud error

[root@director ~]# yum -y install python-automaton
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
Resolving Dependencies
--> Running transaction check
---> Package python-automaton.noarch 0:0.7.0-1.3.el7ost will be installed
--> Finished Dependency Resolution

Dependencies Resolved

======================================================================================================================================================================================
 Package                                   Arch                            Version                                      Repository                                               Size
======================================================================================================================================================================================
Installing:
 python-automaton                          noarch                          0.7.0-1.3.el7ost                             rhel-7-server-openstack-8-rpms                           35 k

Transaction Summary
======================================================================================================================================================================================
Install  1 Package

Total download size: 35 k
Installed size: 113 k
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
python-automaton-0.7.0-1.3.el7 FAILED                                           [                                                                   ]  0.0 B/s |    0 B  --:--:-- ETA
https://cdn.redhat.com/content/dist/rhel/server/7/7Server/x86_64/openstack/8/os/Packages/python-automaton-0.7.0-1.3.el7ost.noarch.rpm: [Errno -1] Package does not match intended download. Suggestion: run yum --enablerepo=rhel-7-server-openstack-8-rpms clean metadata
Trying other mirror.


Error downloading packages:
  python-automaton-0.7.0-1.3.el7ost.noarch: [Errno 256] No more mirrors to try.