diff --git a/src/Mod/Fem/femsolver/writerbase.py b/src/Mod/Fem/femsolver/writerbase.py
index bde20f486a..a7c00a1002 100644
--- a/src/Mod/Fem/femsolver/writerbase.py
+++ b/src/Mod/Fem/femsolver/writerbase.py
@@ -26,9 +26,10 @@ __url__ = "http://www.freecadweb.org"
 ## \addtogroup FEM
 #  @{
 
+import os
+
 import FreeCAD
 from femmesh import meshtools
-import os
 
 
 class FemInputWriter():