FEM: code formating, improve imports, get rid of E402 error

src/Mod/Fem/femguiobjects/_ViewProviderFemElementGeometry1D.py

@@ -31,13 +31,14 @@ __url__ = "http://www.freecadweb.org"
 import FreeCAD
 import FreeCADGui
 import FemGui  # needed to display the icons in TreeView
-False if False else FemGui.__name__  # dummy usage of FemGui for flake8, just returns 'FemGui'
 
 # for the panel
 from femobjects import _FemElementGeometry1D
 from PySide import QtCore
 from . import FemSelectionWidgets
 
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 
 class _ViewProviderFemElementGeometry1D:
     "A View Provider for the FemElementGeometry1D object"