12cd5a9a0839c7bed8c201c70595f779dbca4607
1 """Simple singleton class."""
3 from __future__
import unicode_literals
6 class Singleton(object):
7 """Simple singleton class."""
9 def __init__(self
, decorated
):
10 """Initialize singleton instance."""
11 self
._decorated
= decorated
14 """Return singleton instance."""
17 except AttributeError:
18 self
._instance
= self
._decorated
()