Py3 compat

pwman/data/__init__.py

@@ -1 +1 @@
-import factory
+from . import factory

pwman/data/drivers/__init__.py

@@ -18,4 +18,4 @@ try:
 except ImportError:
     MongoDB = None
 
-__all__ = [SQLite, PostgresqlDatabase, MySQLDatabase, MongoDB]
+__all__ = [SQLite, PostgresqlDatabase, MySQLDatabase, MongoDB]