The problem comes from this:
Retrieving https://cyberpanel.sh/repo.ius.io/ius-release-el7.rpm
curl: (22) The requested URL returned error: 520 Origin Server Unavailable
error: skipping https://cyberpanel.sh/repo.ius.io/ius-release-el7.rpm - transfer failed
Other bugs include:
No package python36u available.
No package python36u-pip available.
No package python36u-devel available.
You should also run this command before install:
yum install -y https://repo.ius.io/ius-release-el7.rpm https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
Meh…