""" Check that the database is set up correctly and ready for being
queried.
- Returns:
- If an issue was found, return an error message with the
- description of the issue as well as hints for the user on
- how to resolve the issue.
-
Arguments:
config: Read-only object with configuration options.
- Return `None`, if no issue was found.
+ Returns:
+ If an issue was found, return an error message with the
+ description of the issue as well as hints for the user on
+ how to resolve the issue. If everything is okay, return `None`.
"""
pass