diff options
Diffstat (limited to 'taskflow/persistence/path_based.py')
| -rw-r--r-- | taskflow/persistence/path_based.py | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/taskflow/persistence/path_based.py b/taskflow/persistence/path_based.py index f2d411b..6fa3c05 100644 --- a/taskflow/persistence/path_based.py +++ b/taskflow/persistence/path_based.py @@ -15,15 +15,13 @@ # under the License. import abc -import six from taskflow import exceptions as exc from taskflow.persistence import base from taskflow.persistence import models -@six.add_metaclass(abc.ABCMeta) -class PathBasedBackend(base.Backend): +class PathBasedBackend(base.Backend, metaclass=abc.ABCMeta): """Base class for persistence backends that address data by path Subclasses of this backend write logbooks, flow details, and atom details @@ -48,8 +46,7 @@ class PathBasedBackend(base.Backend): return self._path -@six.add_metaclass(abc.ABCMeta) -class PathBasedConnection(base.Connection): +class PathBasedConnection(base.Connection, metaclass=abc.ABCMeta): """Base class for path based backend connections.""" def __init__(self, backend): |