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

src/Mod/Fem/femguiobjects/ViewProviderFemConstraint.py

@@ -32,10 +32,11 @@ __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'
 
 from pivy import coin
 
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 
 class ViewProxy(object):
     """Proxy View Provider for Pythons base constraint."""

src/Mod/Fem/femguiobjects/_ViewProviderFemConstraintSelfWeight.py

@@ -31,7 +31,8 @@ __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'
+
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
 
 
 class _ViewProviderFemConstraintSelfWeight:

src/Mod/Fem/femguiobjects/_ViewProviderFemElementFluid1D.py

@@ -33,7 +33,6 @@ __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 _FemElementFluid1D
@@ -41,6 +40,8 @@ from PySide import QtCore
 from PySide import QtGui
 from . import FemSelectionWidgets
 
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 
 class _ViewProviderFemElementFluid1D:
     "A View Provider for the FemElementFluid1D object"

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"

src/Mod/Fem/femguiobjects/_ViewProviderFemElementGeometry2D.py

@@ -31,12 +31,13 @@ __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 PySide import QtCore
 from . import FemSelectionWidgets
 
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 
 class _ViewProviderFemElementGeometry2D:
     "A View Provider for the FemElementGeometry2D object"

src/Mod/Fem/femguiobjects/_ViewProviderFemElementRotation1D.py

@@ -31,12 +31,13 @@ __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 PySide import QtCore
 from . import FemSelectionWidgets
 
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 
 class _ViewProviderFemElementRotation1D:
     "A View Provider for the FemElementRotation1D object"

src/Mod/Fem/femguiobjects/_ViewProviderFemMaterial.py

@@ -31,7 +31,6 @@ __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 FreeCAD import Units
@@ -39,6 +38,9 @@ from . import FemSelectionWidgets
 from PySide import QtCore
 from PySide import QtGui
 import sys
+
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 if sys.version_info.major >= 3:
     unicode = str
 

src/Mod/Fem/femguiobjects/_ViewProviderFemMaterialMechanicalNonlinear.py

@@ -31,10 +31,12 @@ __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'
 
 from pivy import coin
 
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
+
 
 class _ViewProviderFemMaterialMechanicalNonlinear:
     "A View Provider for the FemMaterialMechanicalNonlinear object"

src/Mod/Fem/femguiobjects/_ViewProviderFemMaterialReinforced.py

@@ -30,7 +30,6 @@ __url__ = "http://www.freecadweb.org"
 import FreeCAD
 import FreeCADGui
 import FemGui  # needed to display the icons in TreeView
-False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
 
 
 # task panel
@@ -38,6 +37,9 @@ False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemG
 from PySide import QtCore
 from PySide import QtGui
 import sys
+
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 if sys.version_info.major >= 3:
     unicode = str
 

src/Mod/Fem/femguiobjects/_ViewProviderFemMeshBoundaryLayer.py

@@ -31,12 +31,13 @@ __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 PySide import QtCore
 from . import FemSelectionWidgets
 
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 
 class _ViewProviderFemMeshBoundaryLayer:
     "A View Provider for the FemMeshBoundaryLayer object"

src/Mod/Fem/femguiobjects/_ViewProviderFemMeshGroup.py

@@ -31,12 +31,13 @@ __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 PySide import QtCore
 from . import FemSelectionWidgets
 
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 
 class _ViewProviderFemMeshGroup:
     "A View Provider for the FemMeshGroup object"

src/Mod/Fem/femguiobjects/_ViewProviderFemMeshRegion.py

@@ -31,12 +31,13 @@ __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 PySide import QtCore
 from . import FemSelectionWidgets
 
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 
 class _ViewProviderFemMeshRegion:
     "A View Provider for the FemMeshRegion object"

src/Mod/Fem/femguiobjects/_ViewProviderFemResultMechanical.py

@@ -31,7 +31,6 @@ __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
 import FemGui
@@ -42,6 +41,8 @@ from PySide.QtCore import Qt
 from PySide.QtGui import QApplication
 import numpy as np
 
+False if False else FemGui.__name__  # flake8, dummy FemGui usage, returns 'FemGui'
+
 
 class _ViewProviderFemResultMechanical:
     "A View Provider for the FemResultObject Python derived FemResult class"

src/Mod/Fem/feminout/convert2TetGen.py

@@ -26,12 +26,11 @@
 
 # Make mesh of pn junction in TetGen format
 import FreeCAD
+import Mesh
 App = FreeCAD  # shortcut
 if FreeCAD.GuiUp:
     import FreeCADGui
     Gui = FreeCADGui  # shortcut
-# import Part
-import Mesh
 
 ## \addtogroup FEM
 #  @{

src/Mod/Fem/feminout/importFenicsMesh.py

@@ -31,17 +31,15 @@ __url__ = "http://www.freecadweb.org"
 import os
 
 import FreeCAD
-
-if FreeCAD.GuiUp:
-    import FreeCADGui
-    from PySide import QtGui, QtCore
-
-
 from . import importToolsFem
 from . import readFenicsXML
 from . import writeFenicsXML
 from . import writeFenicsXDMF
 
+if FreeCAD.GuiUp:
+    import FreeCADGui
+    from PySide import QtGui, QtCore
+
 
 # Template copied from importZ88Mesh.py. Thanks Bernd!
 # ********* generic FreeCAD import and export methods *********

src/Mod/Fem/femsolver/calculix/tasks.py

@@ -32,8 +32,6 @@ import subprocess
 import os.path
 
 import FreeCAD
-if FreeCAD.GuiUp:
-    from PySide import QtGui
 import femtools.femutils as femutils
 import feminout.importCcxFrdResults as importCcxFrdResults
 import feminout.importCcxDatResults as importCcxDatResults
@@ -42,6 +40,9 @@ from .. import run
 from .. import settings
 from . import writer
 
+if FreeCAD.GuiUp:
+    from PySide import QtGui
+
 
 _inputFileName = None
 

src/Mod/Fem/femsolver/z88/tasks.py

@@ -31,8 +31,6 @@ import subprocess
 import os.path
 
 import FreeCAD
-if FreeCAD.GuiUp:
-    from PySide import QtGui
 import femtools.femutils as femutils
 import feminout.importZ88O2Results as importZ88O2Results
 
@@ -40,6 +38,9 @@ from .. import run
 from .. import settings
 from . import writer
 
+if FreeCAD.GuiUp:
+    from PySide import QtGui
+
 
 class Check(run.Check):