diff --git a/Wrappers/Python/ccpi/viewer/ui/main_windows.py b/Wrappers/Python/ccpi/viewer/ui/main_windows.py
index 689d4b0c..77ff8b16 100644
--- a/Wrappers/Python/ccpi/viewer/ui/main_windows.py
+++ b/Wrappers/Python/ccpi/viewer/ui/main_windows.py
@@ -2,10 +2,8 @@
 import sys
 from functools import partial
 from pathlib import Path
-
 import ccpi.viewer.viewerLinker as vlink
 import vtk
-
 from ccpi.viewer import CILViewer2D, CILViewer
 from ccpi.viewer.CILViewer2D import CILViewer2D
 from ccpi.viewer.CILViewer import CILViewer