diff --git a/src/Gui/FreeCADGuiInit.py b/src/Gui/FreeCADGuiInit.py
index 73a5922d16..42aeed1b08 100644
--- a/src/Gui/FreeCADGuiInit.py
+++ b/src/Gui/FreeCADGuiInit.py
@@ -37,125 +37,125 @@ Gui = FreeCADGui
 
 # Important definitions
 class Workbench:
-	"""The workbench base class."""
-	MenuText = ""
-	ToolTip = ""
-	
-	def Initialize(self):
-		"""Initializes this workbench."""
-		App.PrintWarning(str(self) + ": Workbench.Initialize() not implemented in subclass!")
-	def ContextMenu(self, recipient):
-		pass
-	def appendToolbar(self,name,cmds):
-		self.__Workbench__.appendToolbar(name, cmds)
-	def removeToolbar(self,name):
-		self.__Workbench__.removeToolbar(name)
-	def appendCommandbar(self,name,cmds):
-		self.__Workbench__.appendCommandbar(name, cmds)
-	def removeCommandbar(self,name):
-		self.__Workbench__.removeCommandbar(name)
-	def appendMenu(self,name,cmds):
-		self.__Workbench__.appendMenu(name, cmds)
-	def removeMenu(self,name):
-		self.__Workbench__.removeMenu(name)
-	def listMenus(self):
-		return self.__Workbench__.listMenus()
-	def appendContextMenu(self,name,cmds):
-		self.__Workbench__.appendContextMenu(name, cmds)
-	def removeContextMenu(self,name):
-		self.__Workbench__.removeContextMenu(name)
-	def name(self):
-		return self.__Workbench__.name()
-	def GetClassName(self):
-		"""Return the name of the associated C++ class."""
-		# as default use this to simplify writing workbenches in Python 
-		return "Gui::PythonWorkbench"
+    """The workbench base class."""
+    MenuText = ""
+    ToolTip = ""
+
+    def Initialize(self):
+        """Initializes this workbench."""
+        App.PrintWarning(str(self) + ": Workbench.Initialize() not implemented in subclass!")
+    def ContextMenu(self, recipient):
+        pass
+    def appendToolbar(self,name,cmds):
+        self.__Workbench__.appendToolbar(name, cmds)
+    def removeToolbar(self,name):
+        self.__Workbench__.removeToolbar(name)
+    def appendCommandbar(self,name,cmds):
+        self.__Workbench__.appendCommandbar(name, cmds)
+    def removeCommandbar(self,name):
+        self.__Workbench__.removeCommandbar(name)
+    def appendMenu(self,name,cmds):
+        self.__Workbench__.appendMenu(name, cmds)
+    def removeMenu(self,name):
+        self.__Workbench__.removeMenu(name)
+    def listMenus(self):
+        return self.__Workbench__.listMenus()
+    def appendContextMenu(self,name,cmds):
+        self.__Workbench__.appendContextMenu(name, cmds)
+    def removeContextMenu(self,name):
+        self.__Workbench__.removeContextMenu(name)
+    def name(self):
+        return self.__Workbench__.name()
+    def GetClassName(self):
+        """Return the name of the associated C++ class."""
+        # as default use this to simplify writing workbenches in Python
+        return "Gui::PythonWorkbench"
 
 
 class StandardWorkbench ( Workbench ):
-	"""A workbench defines the tool bars, command bars, menus, 
+    """A workbench defines the tool bars, command bars, menus,
 context menu and dockable windows of the main window.
-	"""
-	def Initialize(self):
-		"""Initialize this workbench."""
-		# load the module
-		Log ('Init: Loading FreeCAD GUI\n')
-	def GetClassName(self):
-		"""Return the name of the associated C++ class."""
-		return "Gui::StdWorkbench"
+    """
+    def Initialize(self):
+        """Initialize this workbench."""
+        # load the module
+        Log ('Init: Loading FreeCAD GUI\n')
+    def GetClassName(self):
+        """Return the name of the associated C++ class."""
+        return "Gui::StdWorkbench"
 
 class NoneWorkbench ( Workbench ):
-	"""An empty workbench."""
-	MenuText = "<none>"
-	ToolTip = "The default empty workbench"
-	def Initialize(self):
-		"""Initialize this workbench."""
-		# load the module
-		Log ('Init: Loading FreeCAD GUI\n')
-	def GetClassName(self):
-		"""Return the name of the associated C++ class."""
-		return "Gui::NoneWorkbench"
+    """An empty workbench."""
+    MenuText = "<none>"
+    ToolTip = "The default empty workbench"
+    def Initialize(self):
+        """Initialize this workbench."""
+        # load the module
+        Log ('Init: Loading FreeCAD GUI\n')
+    def GetClassName(self):
+        """Return the name of the associated C++ class."""
+        return "Gui::NoneWorkbench"
 
 def InitApplications():
-	import sys,os,traceback
-	try:
-		# Python3
-		import io as cStringIO
-	except ImportError:
-		# Python2
-		import cStringIO
-	# Searching modules dirs +++++++++++++++++++++++++++++++++++++++++++++++++++
-	# (additional module paths are already cached)
-	ModDirs = FreeCAD.__ModDirs__
-	#print ModDirs
-	Log('Init:   Searching modules...\n')
-	for Dir in ModDirs:
-		if ((Dir != '') & (Dir != 'CVS') & (Dir != '__init__.py')):
-			InstallFile = os.path.join(Dir,"InitGui.py")
-			if (os.path.exists(InstallFile)):
-				try:
-					# XXX: This looks scary securitywise...
-					with open(InstallFile) as f:
-						exec(f.read())
-				except Exception as inst:
-					Log('Init:      Initializing ' + Dir + '... failed\n')
-					Log('-'*100+'\n')
-					Log(traceback.format_exc())
-					Log('-'*100+'\n')
-					Err('During initialization the error "' + str(inst) + '" occurred in ' + InstallFile + '\n')
-					Err('Please look into the log file for further information\n')
-				else:
-					Log('Init:      Initializing ' + Dir + '... done\n')
-			else:
-				Log('Init:      Initializing ' + Dir + '(InitGui.py not found)... ignore\n')
+    import sys,os,traceback
+    try:
+        # Python3
+        import io as cStringIO
+    except ImportError:
+        # Python2
+        import cStringIO
+    # Searching modules dirs +++++++++++++++++++++++++++++++++++++++++++++++++++
+    # (additional module paths are already cached)
+    ModDirs = FreeCAD.__ModDirs__
+    #print ModDirs
+    Log('Init:   Searching modules...\n')
+    for Dir in ModDirs:
+        if ((Dir != '') & (Dir != 'CVS') & (Dir != '__init__.py')):
+            InstallFile = os.path.join(Dir,"InitGui.py")
+            if (os.path.exists(InstallFile)):
+                try:
+                    # XXX: This looks scary securitywise...
+                    with open(InstallFile) as f:
+                        exec(f.read())
+                except Exception as inst:
+                    Log('Init:      Initializing ' + Dir + '... failed\n')
+                    Log('-'*100+'\n')
+                    Log(traceback.format_exc())
+                    Log('-'*100+'\n')
+                    Err('During initialization the error "' + str(inst) + '" occurred in ' + InstallFile + '\n')
+                    Err('Please look into the log file for further information\n')
+                else:
+                    Log('Init:      Initializing ' + Dir + '... done\n')
+            else:
+                Log('Init:      Initializing ' + Dir + '(InitGui.py not found)... ignore\n')
 
 
-	try:
-		import pkgutil
-		import importlib
-		import freecad
-		freecad.gui = FreeCADGui
-		for _, freecad_module_name, freecad_module_ispkg in pkgutil.iter_modules(freecad.__path__, "freecad."):
-			if freecad_module_ispkg:
-				Log('Init: Initializing ' + freecad_module_name + '\n')
-				try:
-					freecad_module = importlib.import_module(freecad_module_name)
-					if any (module_name == 'init_gui' for _, module_name, ispkg in pkgutil.iter_modules(freecad_module.__path__)):
-						importlib.import_module(freecad_module_name + '.init_gui')
-						Log('Init: Initializing ' + freecad_module_name + '... done\n')
-					else:
-						Log('Init: No init_gui module found in ' + freecad_module_name + ', skipping\n')
-				except Exception as inst:
-					Err('During initialization the error "' + str(inst) + '" occurred in ' + freecad_module_name + '\n')
-					Err('-'*80+'\n')
-					Err(traceback.format_exc())
-					Err('-'*80+'\n')
-					Log('Init:      Initializing ' + freecad_module_name + '... failed\n')
-					Log('-'*80+'\n')
-					Log(traceback.format_exc())
-					Log('-'*80+'\n')
-	except ImportError as inst:
-		Err('During initialization the error "' + str(inst) + '" occurred\n')
+    try:
+        import pkgutil
+        import importlib
+        import freecad
+        freecad.gui = FreeCADGui
+        for _, freecad_module_name, freecad_module_ispkg in pkgutil.iter_modules(freecad.__path__, "freecad."):
+            if freecad_module_ispkg:
+                Log('Init: Initializing ' + freecad_module_name + '\n')
+                try:
+                    freecad_module = importlib.import_module(freecad_module_name)
+                    if any (module_name == 'init_gui' for _, module_name, ispkg in pkgutil.iter_modules(freecad_module.__path__)):
+                        importlib.import_module(freecad_module_name + '.init_gui')
+                        Log('Init: Initializing ' + freecad_module_name + '... done\n')
+                    else:
+                        Log('Init: No init_gui module found in ' + freecad_module_name + ', skipping\n')
+                except Exception as inst:
+                    Err('During initialization the error "' + str(inst) + '" occurred in ' + freecad_module_name + '\n')
+                    Err('-'*80+'\n')
+                    Err(traceback.format_exc())
+                    Err('-'*80+'\n')
+                    Log('Init:      Initializing ' + freecad_module_name + '... failed\n')
+                    Log('-'*80+'\n')
+                    Log(traceback.format_exc())
+                    Log('-'*80+'\n')
+    except ImportError as inst:
+        Err('During initialization the error "' + str(inst) + '" occurred\n')
 
 Log ('Init: Running FreeCADGuiInit.py start script...\n')