diff --git a/src/Mod/Fem/PyGui/_TaskPanelFemSolverCalculix.py b/src/Mod/Fem/PyGui/_TaskPanelFemSolverCalculix.py
index f25f647de4..4176f0dbeb 100644
--- a/src/Mod/Fem/PyGui/_TaskPanelFemSolverCalculix.py
+++ b/src/Mod/Fem/PyGui/_TaskPanelFemSolverCalculix.py
@@ -42,6 +42,7 @@ from PySide.QtGui import QApplication
 if sys.version_info.major >= 3:
     unicode = str
 
+
 class _TaskPanelFemSolverCalculix:
     def __init__(self, solver_object):
         self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/PyGui/TaskPanelFemSolverCalculix.ui")