How to fix yum update - Error: Package: graphite2-devel-1.3.6-1.el7_2.x86_64 (ol7_latest)

Symptom

Oracle Linux 7.4

Error: Package: graphite2-devel-1.3.6-1.el7_2.x86_64 (ol7_latest)
           Requires: graphite2(x86-64) = 1.3.6-1.el7_2
           Removing: graphite2-1.3.6-1.el7_2.x86_64 (@ol7_latest)
               graphite2(x86-64) = 1.3.6-1.el7_2
           Updated By: graphite2-1.3.10-1.el7_3.x86_64 (ol7_latest)
               graphite2(x86-64) = 1.3.10-1.el7_3
           Available: graphite2-1.2.2-5.el7.x86_64 (ol7_latest)
               graphite2(x86-64) = 1.2.2-5.el7

You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest```

How to fix

ol7_optional_latest
enable=0 --> enabled=1

/etc/yum.repos.d/pu

...
[ol7_optional_latest]
name=Oracle Linux $releasever Optional Latest ($basearch)
baseurl=http://yum.oracle.com/repo/OracleLinux/OL7/optional/latest/$basearch/
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
gpgcheck=1
enabled=1
...

cf. latest yum repository download

https://docs.oracle.com/cd/E37670_01/E37355/html/ol_downloading_yum_repo.html

wget http://yum.oracle.com/public-yum-ol7.repo