diff --git a/__init__.py b/__init__.py
index 49af608..5902ba6 100644
--- a/__init__.py
+++ b/__init__.py
@@ -2,4 +2,5 @@ from . import particle
 from . import visu
 from . import field 
 from . import ucf
-from . import helper
\ No newline at end of file
+from . import helper
+from . import parallel
\ No newline at end of file