saltstack/salt — pull request #10972 by s0undt3ch (2014-03-05 17:09:29+00:00)
Title: The `__virtual__()` function should only return strings on renames.

If the module is not renaming itself, it should simply return True.
Additionally we now also check for different values on `__virtualname__`
and `__virtual__(), these should always match.`