Avoid this error:
```
ID: salt-master
Function: pkg.installed
Result: False
Comment: Error occurred installing package(s). Additional info follows:
errors:
- Running scope as unit run-402.scope.
Loaded plugins: ovl, ulninfo
https://repo.saltproject.io/py3/redhat/7Server/x86_64/3002/repodata/repomd.xml:
[Errno 14] HTTPS Error 404 - Not Found
Trying other mirror.
No package salt-master available.
Error: Nothing to do
```
Imran Iqbal