diff options
Diffstat (limited to 'taskflow/persistence/base.py')
| -rw-r--r-- | taskflow/persistence/base.py | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/taskflow/persistence/base.py b/taskflow/persistence/base.py index 7f08c92..dc041f7 100644 --- a/taskflow/persistence/base.py +++ b/taskflow/persistence/base.py @@ -16,13 +16,10 @@ import abc -import six - from taskflow.persistence import models -@six.add_metaclass(abc.ABCMeta) -class Backend(object): +class Backend(object, metaclass=abc.ABCMeta): """Base class for persistence backends.""" def __init__(self, conf): @@ -42,8 +39,7 @@ class Backend(object): """Closes any resources this backend has open.""" -@six.add_metaclass(abc.ABCMeta) -class Connection(object): +class Connection(object, metaclass=abc.ABCMeta): """Base class for backend connections.""" @abc.abstractproperty |