futurize changes for Pyton 3 compatibility

mpi_dummy/__init__.py

@@ -16,8 +16,9 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+from __future__ import absolute_import
 from .version import __version__
 
-from comm import *
-from datatypes import *
-from op import *
+from .comm import *
+from .datatypes import *
+from .op import *