Changes 1.6.1:
- Raise an AttributeError for six.moves.X when X is a module not available in
  the current interpreter.

Changes 1.6.0:
- Raise an AttributeError for every attribute of unimportable modules.
- Issue 56: Make the fake modules six.moves puts into sys.modules appear not to
  have a __path__ unless they are loaded.
- Pull request 28: Add support for SplitResult.
- Issue 55: Add move mapping for xmlrpc.server.
- Pull request 29: Add move for urllib.parse.splitquery.

(adam)