diff --git a/geomagio/Controller.py b/geomagio/Controller.py
index 1b7fe683e4c19aee3a987d34441333ffa53d1d2c..ce39685fb3e9ab31ec7c13c735afbc0a4d63e823 100644
--- a/geomagio/Controller.py
+++ b/geomagio/Controller.py
@@ -26,6 +26,7 @@ from . import vbf
 from . import xml
 from . import covjson
 
+
 class Controller(object):
     """Controller for geomag algorithms.