diff --git a/DDCore/python/lcdd.py b/DDCore/python/lcdd.py
index b7d110ad0748e69d29e86d15b1cafa87435668b2..a56a80bb9827d43057ad2fa9a79b41d14848ed2e 100644
--- a/DDCore/python/lcdd.py
+++ b/DDCore/python/lcdd.py
@@ -1,44 +1,45 @@
-#==========================================================================
-#  AIDA Detector description implementation 
-#--------------------------------------------------------------------------
+# ==========================================================================
+#  AIDA Detector description implementation
+# --------------------------------------------------------------------------
 # Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
 # All rights reserved.
 #
 # For the licensing terms see $DD4hepINSTALL/LICENSE.
 # For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 #
-#==========================================================================
-from __future__ import absolute_import, unicode_literals
-
+# ==========================================================================
+from __future__ import absolute_import, unicode_literals
+
+import xml.etree.ElementTree as xml
 from math import cos, sin, pi, tan
 from os import path, listdir
 from functools import partial
 import SystemOfUnits
-import math
-import logging
+import math
+import logging
 from six.moves import range
 from ROOT import SetOwnership, dd4hep, TGeoMixture, TGeoMedium, gGeoManager, TNamed
-
-logging.basicConfig(format='%(levelname)s: %(message)s')
-logger = logging.getLogger(__name__)
-logger.setLevel(logging.INFO)
-
-Detector       = dd4hep.Geometry.Detector
-Constant   = dd4hep.Geometry.Constant
-Material   = dd4hep.Geometry.Material
-VisAttr    = dd4hep.Geometry.VisAttr
+
+logging.basicConfig(format='%(levelname)s: %(message)s')
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.INFO)
+
+Detector = dd4hep.Geometry.Detector
+Constant = dd4hep.Geometry.Constant
+Material = dd4hep.Geometry.Material
+VisAttr = dd4hep.Geometry.VisAttr
 AlignmentEntry = dd4hep.Geometry.AlignmentEntry
-Limit      = dd4hep.Geometry.Limit
+Limit = dd4hep.Geometry.Limit
 DetElement = dd4hep.Geometry.DetElement
-Box        = dd4hep.Geometry.Box
-Tube       = dd4hep.Geometry.Tube
-Trapezoid  = dd4hep.Geometry.Trapezoid
-Volume     = dd4hep.Geometry.Volume
+Box = dd4hep.Geometry.Box
+Tube = dd4hep.Geometry.Tube
+Trapezoid = dd4hep.Geometry.Trapezoid
+Volume = dd4hep.Geometry.Volume
 PlacedVolume = dd4hep.Geometry.PlacedVolume
-Position   = dd4hep.Geometry.Position
-Rotation   = dd4hep.Geometry.Rotation
-Handle     = dd4hep.Geometry.Handle
-Readout    = dd4hep.Geometry.Readout
+Position = dd4hep.Geometry.Position
+Rotation = dd4hep.Geometry.Rotation
+Handle = dd4hep.Geometry.Handle
+Readout = dd4hep.Geometry.Readout
 GridXYZ = dd4hep.Geometry.GridXYZ
 GlobalGridXY = dd4hep.Geometry.GlobalGridXY
 CartesianGridXY = dd4hep.Geometry.CartesianGridXY
@@ -52,7 +53,6 @@ IDDescriptor = dd4hep.Geometry.IDDescriptor
 
 _toDictionary = dd4hep.Geometry._toDictionary
 
-import xml.etree.ElementTree as xml
 unique_mat_id = 0x7FFEFEED
 
 current_xmlfile = None
@@ -65,14 +65,22 @@ drivers.update(math.__dict__)
 drivers.update(dd4hep.Geometry.__dict__)
 
 
-#---Enhancing the Element class with dedicated accessors--------------------------
-def _getInt(self,attrib): return int(eval(self.get(attrib).replace('(int)',''),constants))
-def _getFloat(self,*attrib):
+# ---Enhancing the Element class with dedicated accessors--------------------------
+def _getInt(self, attrib): return int(eval(self.get(attrib).replace('(int)', ''), constants))
+
+
+def _getFloat(self, *attrib):
   sval = self.get(attrib[0], None)
-  if not sval and len(attrib) > 1: return attrib[1]
-  else: return float(eval(sval.replace('(int)',''), constants))
-def _getBool(self,attrib): 
-  return self.get(attrib, '').lower() in ('true', 'yes', 'on') 
+  if not sval and len(attrib) > 1:
+    return attrib[1]
+  else:
+    return float(eval(sval.replace('(int)', ''), constants))
+
+
+def _getBool(self, attrib):
+  return self.get(attrib, '').lower() in ('true', 'yes', 'on')
+
+
 xml._ElementInterface.getI = _getInt
 xml._ElementInterface.getF = _getFloat
 xml._ElementInterface.getB = _getBool
@@ -80,25 +88,25 @@ xml._ElementInterface.getB = _getBool
 
 xml._ElementInterface.name = property(lambda self: self.get('name'))
 xml._ElementInterface.type = property(lambda self: self.get('type'))
-xml._ElementInterface.vis  = property(lambda self: self.get('vis'))
-xml._ElementInterface.ref  = property(lambda self: self.get('ref'))
-xml._ElementInterface.value  = property(lambda self: self.getF('value'))
+xml._ElementInterface.vis = property(lambda self: self.get('vis'))
+xml._ElementInterface.ref = property(lambda self: self.get('ref'))
+xml._ElementInterface.value = property(lambda self: self.getF('value'))
 xml._ElementInterface.material = property(lambda self: self.get('material'))
 xml._ElementInterface.module = property(lambda self: self.get('module'))
-xml._ElementInterface.id   = property(lambda self: self.getI('id'))
+xml._ElementInterface.id = property(lambda self: self.getI('id'))
 xml._ElementInterface.number = property(lambda self: self.getI('number'))
-xml._ElementInterface.x1   = property(lambda self: self.getF('x1'))
-xml._ElementInterface.x2   = property(lambda self: self.getF('x2'))
-xml._ElementInterface.x    = property(lambda self: self.getF('x'))
-xml._ElementInterface.y    = property(lambda self: self.getF('y'))
-xml._ElementInterface.z    = property(lambda self: self.getF('z'))
+xml._ElementInterface.x1 = property(lambda self: self.getF('x1'))
+xml._ElementInterface.x2 = property(lambda self: self.getF('x2'))
+xml._ElementInterface.x = property(lambda self: self.getF('x'))
+xml._ElementInterface.y = property(lambda self: self.getF('y'))
+xml._ElementInterface.z = property(lambda self: self.getF('z'))
 xml._ElementInterface.zstart = property(lambda self: self.getF('zstart'))
 xml._ElementInterface.offset = property(lambda self: self.getF('offset'))
 xml._ElementInterface.radius = property(lambda self: self.getF('radius'))
 xml._ElementInterface.zhalf = property(lambda self: self.getF('zhalf'))
 xml._ElementInterface.phi0 = property(lambda self: self.getF('phi0'))
-xml._ElementInterface.r    = property(lambda self: self.getF('r'))
-xml._ElementInterface.dz   = property(lambda self: self.getF('dz'))
+xml._ElementInterface.r = property(lambda self: self.getF('r'))
+xml._ElementInterface.dz = property(lambda self: self.getF('dz'))
 xml._ElementInterface.thickness = property(lambda self: self.getF('thickness'))
 xml._ElementInterface.length = property(lambda self: self.getF('length'))
 xml._ElementInterface.width = property(lambda self: self.getF('width'))
@@ -110,100 +118,121 @@ xml._ElementInterface.rmax = property(lambda self: self.getF('rmax'))
 
 
 def getRotation(rot):
-  if rot is not None : return Rotation(rot.getF('x',0.0),rot.getF('y',0.0), rot.getF('z',0.0))
-  else   : return Rotation()
+  if rot is not None:
+    return Rotation(rot.getF('x', 0.0), rot.getF('y', 0.0), rot.getF('z', 0.0))
+  else:
+    return Rotation()
+
 
 def getPosition(pos):
-  if pos is not None : return Position(pos.getF('x',0.0),pos.getF('y',0.0), pos.getF('z',0.0))
-  else   : return Position()
+  if pos is not None:
+    return Position(pos.getF('x', 0.0), pos.getF('y', 0.0), pos.getF('z', 0.0))
+  else:
+    return Position()
+
 
 drivers['getRotation'] = getRotation
 drivers['getPosition'] = getPosition
 
 
-#---------------------------------------------------------------------------------
+# ---------------------------------------------------------------------------------
 def load_drivers(*args):
   if not args:
-    args = [path.join(path.dirname(__file__),'drivers')]
+    args = [path.join(path.dirname(__file__), 'drivers')]
   for arg in args:
     if path.exists(arg):
       if path.isfile(arg):
         logger.info("Loading driver file ... %s" % arg)
         execfile(arg, drivers)
       elif path.isdir(arg):
-        for f in listdir(arg) : 
+        for f in listdir(arg):
           if path.splitext(f)[1] == '.py':
-            logger.info("Loading driver file ... %s" % path.join(arg,f))
-            execfile(path.join(arg,f), drivers)
-      else: raise "Path '%s' is not a directory or file" % arg 
-    else: raise "Path '%s' does not exists" % arg
+            logger.info("Loading driver file ... %s" % path.join(arg, f))
+            execfile(path.join(arg, f), drivers)
+      else:
+        raise "Path '%s' is not a directory or file" % arg
+    else:
+      raise "Path '%s' does not exists" % arg
 
 
-#---------------------------------------------------------------------------------
+# ---------------------------------------------------------------------------------
 def process_xmlfile(description, file):
   global current_xmlfile
-  file = file.replace('file:','')
+  file = file.replace('file:', '')
   root = xml.parse(file).getroot()
   last_xmlfile, current_xmlfile = current_xmlfile, file
   tags = ('includes', 'define', 'materials', 'properties', 'limits', 'display',
           'readouts', 'detectors', 'alignments', 'fields', 'sensitive_detectors')
-  if root.tag in tags :
+  if root.tag in tags:
     process_tag(description, root)
-  else :
+  else:
     for tag in tags:
       for e in root.findall(tag):
         process_tag(description, e)
   current_xmlfile = last_xmlfile
 
-def process_tag(description, elem):
-  if elem.tag == 'detectors' :
-    description.init() # call init before processing 'detectors' (need world volume)
-  procs = globals().get('process_%s'% elem.tag, None)
-  if not procs :
-    procs = drivers.get('process_%s'% elem.tag, None)
-  if procs :
-    apply(procs,(description, elem))
-  else : logger.info('XML tag %s not processed!!! No function found.' % elem.tag)
-
 
-#--------------------------------------------------------------------------------
+def process_tag(description, elem):
+  if elem.tag == 'detectors':
+    description.init()  # call init before processing 'detectors' (need world volume)
+  procs = globals().get('process_%s' % elem.tag, None)
+  if not procs:
+    procs = drivers.get('process_%s' % elem.tag, None)
+  if procs:
+    apply(procs, (description, elem))
+  else:
+    logger.info('XML tag %s not processed!!! No function found.' % elem.tag)
+
+
+# --------------------------------------------------------------------------------
 def fromXML(xmlfile):
   logger.info('Converting Compact file: %s', xmlfile)
   description = Detector.getInstance()
-  #description.create()
+  # description.create()
   process_xmlfile(description, xmlfile)
   return description
 
-#---------------------------------------------------------------------------------
+# ---------------------------------------------------------------------------------
+
+
 def process_includes(description, elem):
   for c in elem.findall('gdmlFile'):
     logger.info('Adding Gdml file ... %s', c.get('ref'))
-    fname = c.get('ref').replace('file:','')
-    if not path.isabs(fname): fname = path.join(path.dirname(current_xmlfile),fname)
+    fname = c.get('ref').replace('file:', '')
+    if not path.isabs(fname):
+      fname = path.join(path.dirname(current_xmlfile), fname)
     process_xmlfile(description, fname)
   for c in elem.findall('pyBuilder'):
     logger.info('Adding PyBuilder ... %s', c.get('ref'))
     fname = c.get('ref')
-    if not path.isabs(fname): fname = path.join(path.dirname(current_xmlfile),fname)
+    if not path.isabs(fname):
+      fname = path.join(path.dirname(current_xmlfile), fname)
     load_drivers(fname)
   for c in elem.findall('alignment'):
     logger.info('Adding Alignment file ... %s', c.get('ref'))
-    fname = c.get('ref').replace('file:','')
-    if not path.isabs(fname): fname = path.join(path.dirname(current_xmlfile),fname)
+    fname = c.get('ref').replace('file:', '')
+    if not path.isabs(fname):
+      fname = path.join(path.dirname(current_xmlfile), fname)
     process_xmlfile(description, fname)
 
-#---------------------------------------------------------------------------------
+# ---------------------------------------------------------------------------------
+
+
 def process_info(description, elem):
   pass
 
-#---------------------------------------------------------------------------------
+# ---------------------------------------------------------------------------------
+
+
 def process_define(description, elem):
   for c in elem.findall('constant'):
-    description.addConstant(Constant(c.get('name'),c.get('value')))
-    _toDictionary(c.get('name'),c.get('value')) #-- Make it known to the evaluator
+    description.addConstant(Constant(c.get('name'), c.get('value')))
+    _toDictionary(c.get('name'), c.get('value'))  # -- Make it known to the evaluator
     constants[c.get('name')] = c.getF('value')
 
-#---------------------------------------------------------------------------------
+# ---------------------------------------------------------------------------------
+
+
 def process_element(description, elem):
   ename = elem.get('name')
   tab = gGeoManager.GetElementTable()
@@ -212,45 +241,50 @@ def process_element(description, elem):
     atom = elem.find('atom')
     tab.AddElement(atom.get('name'), atom.get('formula'), atom.getI('Z'), atom.getI('value'))
 
-#---------------------------------------------------------------------------------
+# ---------------------------------------------------------------------------------
+
+
 def process_materials(description, elem):
   for m in elem.findall('material'):
     process_material(description, m)
 
-#---------------------------------------------------------------------------------
+# ---------------------------------------------------------------------------------
 # <material formula="Ac" name="Actinium" state="solid" >
 #  <RL type="X0" unit="cm" value="0.601558" />
 #  <NIL type="lambda" unit="cm" value="21.2048" />
 #  <D type="density" unit="g/cm3" value="10.07" />
 #  <composite n="1" ref="Ac" />
-#</material>
-#<material name="G10">
+# </material>
+# <material name="G10">
 #  <D type="density" value="1.7" unit="g/cm3"/>
 #  <fraction n="0.08" ref="Cl"/>
 #  <fraction n="0.773" ref="Quartz"/>
 #  <fraction n="0.147" ref="Epoxy"/>
-#</material>
+# </material>
 
 
 def process_material(description, m):
   density = m.find('D')
-  radlen  = m.find('RL')
-  intlen  = m.find('NIL')
+  radlen = m.find('RL')
+  intlen = m.find('NIL')
   composites = m.findall('fraction') or m.findall('composite')
   table = gGeoManager.GetElementTable()
   mat = gGeoManager.GetMaterial(m.name)
   if not mat:
-    mat = TGeoMixture(m.name, len(composites), eval(density.get('value')+'*'+density.get('unit')+'/(g/cm3)',constants))
-    SetOwnership( mat, False )
-  rl = (radlen is not None) and eval(radlen.get('value')+'*'+radlen.get('unit'),constants) or 0.0
-  il = (intlen is not None) and eval(intlen.get('value')+'*'+intlen.get('unit'),constants) or 0.0
+    mat = TGeoMixture(m.name, len(composites), eval(density.get(
+        'value') + '*' + density.get('unit') + '/(g/cm3)', constants))
+    SetOwnership(mat, False)
+  rl = (radlen is not None) and eval(radlen.get('value') + '*' + radlen.get('unit'), constants) or 0.0
+  il = (intlen is not None) and eval(intlen.get('value') + '*' + intlen.get('unit'), constants) or 0.0
   #mat.SetRadLen(-rl, -il)
   elts = [mat.GetElement(i).GetName() for i in range(mat.GetNelements())]
   for c in composites:
     nam = c.ref
     if nam not in elts:
-      if c.tag == 'composite' : fraction = c.getI('n')
-      elif c.tag == 'fraction' : fraction = c.getF('n')
+      if c.tag == 'composite':
+        fraction = c.getI('n')
+      elif c.tag == 'fraction':
+        fraction = c.getF('n')
       if table.FindElement(nam):
         mat.AddElement(table.FindElement(nam), fraction)
       elif gGeoManager.GetMaterial(nam):
@@ -268,31 +302,41 @@ def process_material(description, m):
   description.addMaterial(Handle(medium))
 
 
-#----------------------------------------------------------------------------------
+# ----------------------------------------------------------------------------------
 def process_display(description, elem):
   for v in elem.findall('vis'):
     visattr = VisAttr(v.name)
-    r,g,b = 1.,1.,1.
-    if 'r' in v.keys() : r = v.getF('r')    
-    if 'g' in v.keys() : g = v.getF('g')
-    if 'b' in v.keys() : b = v.getF('b')
-    visattr.setColor(r,g,b)    
-    if 'showDaughters' in v.keys() : visattr.setShowDaughters(v.getB('showDaughters'))
-    if 'visible' in v.keys() : visattr.setVisible(v.getB('visible'))
-    if 'alpha' in v.keys() : visattr.setAlpha(v.getF('alpha'))
-    if 'lineStyle' in v.keys() :
+    r, g, b = 1., 1., 1.
+    if 'r' in v.keys():
+      r = v.getF('r')
+    if 'g' in v.keys():
+      g = v.getF('g')
+    if 'b' in v.keys():
+      b = v.getF('b')
+    visattr.setColor(r, g, b)
+    if 'showDaughters' in v.keys():
+      visattr.setShowDaughters(v.getB('showDaughters'))
+    if 'visible' in v.keys():
+      visattr.setVisible(v.getB('visible'))
+    if 'alpha' in v.keys():
+      visattr.setAlpha(v.getF('alpha'))
+    if 'lineStyle' in v.keys():
       ls = v.get('lineStyle')
-      if ls == 'unbroken' : visattr.setLineStyle(VisAttr.SOLID)
-      if ls == 'broken' : visattr.setLineStyle(VisAttr.DASHED)
+      if ls == 'unbroken':
+        visattr.setLineStyle(VisAttr.SOLID)
+      if ls == 'broken':
+        visattr.setLineStyle(VisAttr.DASHED)
     else:
       visattr.setLineStyle(VisAttr.SOLID)
-    if 'drawingStyle' in v.keys() :
+    if 'drawingStyle' in v.keys():
       ds = v.get('drawingStyle')
-      if ds == 'wireframe' : visattr.setDrawingStyle(VisAttr.WIREFRAME)
+      if ds == 'wireframe':
+        visattr.setDrawingStyle(VisAttr.WIREFRAME)
     description.addVisAttribute(visattr)
 
+
 def process_limits(description, elem):
-  # <limit name="step_length_max" particles="*" value="5.0" unit="mm" />    
+  # <limit name="step_length_max" particles="*" value="5.0" unit="mm" />
   for l in elem.findall('limit'):
     limit = Limit(description.document(), l.get('name'))
     limit.setParticles(l.get('particles'))
@@ -300,47 +344,57 @@ def process_limits(description, elem):
     limit.setUnit(l.get('unit'))
     description.addLimit(limit)
 
-#-----------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------------
+
+
 def process_detectors(description, elem):
   for d in elem.findall('detector'):
-    procs = drivers.get('detector_%s'% d.get('type'), None)
-    if procs : 
-      detector = apply(procs,(description, d))
+    procs = drivers.get('detector_%s' % d.get('type'), None)
+    if procs:
+      detector = apply(procs, (description, d))
       description.addDetector(detector)
-    else : 
+    else:
       logger.info('Detector type %s not found' % d.get('type'))
 
-#-----------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------------
+
+
 def process_alignments(description, elem):
   for a in elem.findall('alignment'):
     process_alignment(description, a)
 
-#-----------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------------
+
+
 def process_alignment(description, elem):
   alignment = AlignmentEntry(description, elem.name)
   pos = getPosition(elem.find('position'))
   rot = getRotation(elem.find('rotation'))
   logger.info("%s %s", pos.isNull(), rot.isNull())
-  alignment.align(pos,rot)
+  alignment.align(pos, rot)
   return alignment
 
-#-----------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------------
+
+
 def process_readouts(description, elem):
   for a in elem.findall('readout'):
     process_readout(description, a)
 
-#-----------------------------------------------------------------------------------
+# -----------------------------------------------------------------------------------
+
+
 def process_readout(description, elem):
   readout = Readout(elem.name)
   seg = elem.find('segmentation')
   if seg is not None:
-    procs = globals().get('create_%s'% seg.get('type'), None)
-    if not procs :
-      procs = drivers.get('create_%s'% seg.get('type'), None)
-    if procs :
-      segment = apply(procs,(description, seg))
+    procs = globals().get('create_%s' % seg.get('type'), None)
+    if not procs:
+      procs = drivers.get('create_%s' % seg.get('type'), None)
+    if procs:
+      segment = apply(procs, (description, seg))
       readout.setSegmentation(segment)
-    else :
+    else:
       logger.info('Segmentation type %s not found' % seg.get('type'))
   id = elem.find('id')
   if id is not None:
@@ -350,59 +404,85 @@ def process_readout(description, elem):
     description.addIDSpecification(idSpec)
   description.addReadout(readout)
 
-#---Segmentations--------------------------------------------------------------------
-def create_GridXYZ(description, elem) :
+# ---Segmentations--------------------------------------------------------------------
+
+
+def create_GridXYZ(description, elem):
   obj = GridXYZ()
-  if 'gridSizeX' in elem.keys() : obj.setGridSizeX(elem.getF('gridSizeX'))
-  if 'gridSizeY' in elem.keys() : obj.setGridSizeY(elem.getF('gridSizeY'))
-  if 'gridSizeZ' in elem.keys() : obj.setGridSizeZ(elem.getF('gridSizeZ'))
+  if 'gridSizeX' in elem.keys():
+    obj.setGridSizeX(elem.getF('gridSizeX'))
+  if 'gridSizeY' in elem.keys():
+    obj.setGridSizeY(elem.getF('gridSizeY'))
+  if 'gridSizeZ' in elem.keys():
+    obj.setGridSizeZ(elem.getF('gridSizeZ'))
   return obj
 
-def create_GlobalGridXY(description, elem) :
+
+def create_GlobalGridXY(description, elem):
   obj = GlobalGridXY()
-  if 'gridSizeX' in elem.keys() : obj.setGridSizeX(elem.getF('gridSizeX'))
-  if 'gridSizeY' in elem.keys() : obj.setGridSizeY(elem.getF('gridSizeY'))
+  if 'gridSizeX' in elem.keys():
+    obj.setGridSizeX(elem.getF('gridSizeX'))
+  if 'gridSizeY' in elem.keys():
+    obj.setGridSizeY(elem.getF('gridSizeY'))
   return obj
 
-def create_CartesianGridXY(description, elem) :
+
+def create_CartesianGridXY(description, elem):
   obj = CartesianGridXY()
-  if 'gridSizeX' in elem.keys() : obj.setGridSizeX(elem.getF('gridSizeX'))
-  if 'gridSizeY' in elem.keys() : obj.setGridSizeY(elem.getF('gridSizeY'))
+  if 'gridSizeX' in elem.keys():
+    obj.setGridSizeX(elem.getF('gridSizeX'))
+  if 'gridSizeY' in elem.keys():
+    obj.setGridSizeY(elem.getF('gridSizeY'))
   return obj
 
-def create_NoSegmentation(description, elem) :
+
+def create_NoSegmentation(description, elem):
   obj = NoSegmentation()
   return obj
 
-def create_ProjectiveCylinder(description, elem) :
+
+def create_ProjectiveCylinder(description, elem):
   obj = ProjectiveCylinder()
-  if 'phiBins' in elem.keys() : obj.setPhiBins(elem.getI('phiBins'))
-  if 'thetaBins' in elem.keys() : obj.setThetaBins(elem.getI('thetaBins'))
+  if 'phiBins' in elem.keys():
+    obj.setPhiBins(elem.getI('phiBins'))
+  if 'thetaBins' in elem.keys():
+    obj.setThetaBins(elem.getI('thetaBins'))
   return obj
 
-def create_NonProjectiveCylinder(description, elem) :
+
+def create_NonProjectiveCylinder(description, elem):
   obj = NonProjectiveCylinder()
-  if 'gridSizePhi' in elem.keys() : obj.setThetaBinSize(elem.getF('gridSizePhi'))
-  if 'gridSizeZ' in elem.keys() : obj.setPhiBinSize(elem.getI('gridSizeZ'))
+  if 'gridSizePhi' in elem.keys():
+    obj.setThetaBinSize(elem.getF('gridSizePhi'))
+  if 'gridSizeZ' in elem.keys():
+    obj.setPhiBinSize(elem.getI('gridSizeZ'))
   return obj
 
-def create_ProjectiveZPlane(description, elem) :
+
+def create_ProjectiveZPlane(description, elem):
   obj = ProjectiveZPlaner()
-  if 'phiBins' in elem.keys() : obj.setPhiBins(elem.getI('phiBins'))
-  if 'thetaBins' in elem.keys() : obj.setThetaBins(elem.getI('thetaBins'))
+  if 'phiBins' in elem.keys():
+    obj.setPhiBins(elem.getI('phiBins'))
+  if 'thetaBins' in elem.keys():
+    obj.setThetaBins(elem.getI('thetaBins'))
   return obj
 
-def create_GridPhiEta(description, elem) :
+
+def create_GridPhiEta(description, elem):
   obj = GridPhiEta()
-  if 'phiBins' in elem.keys() : obj.setPhiBins(elem.getI('phiBins'))
-  if 'gridSizeEta' in elem.keys() : obj.setGridSizeEta(elem.getI('gridSizeEta'))
+  if 'phiBins' in elem.keys():
+    obj.setPhiBins(elem.getI('phiBins'))
+  if 'gridSizeEta' in elem.keys():
+    obj.setGridSizeEta(elem.getI('gridSizeEta'))
   return obj
 
-def create_GridRPhiEta(description, elem) :
+
+def create_GridRPhiEta(description, elem):
   obj = GridRPhiEta()
-  if 'phiBins' in elem.keys() : obj.setPhiBins(elem.getI('gridSizeR'))
-  if 'gridSizeEta' in elem.keys() : obj.setGridSizeEta(elem.getI('gridSizeEta'))
-  if 'gridSizeR' in elem.keys() : obj.setGridSizeR(elem.getI('gridSizeR'))
+  if 'phiBins' in elem.keys():
+    obj.setPhiBins(elem.getI('gridSizeR'))
+  if 'gridSizeEta' in elem.keys():
+    obj.setGridSizeEta(elem.getI('gridSizeEta'))
+  if 'gridSizeR' in elem.keys():
+    obj.setGridSizeR(elem.getI('gridSizeR'))
   return obj
-
-
diff --git a/examples/LHeD/scripts/LheSimu.py b/examples/LHeD/scripts/LheSimu.py
index 0995c2c17e80ae3eaafd2985a4c5c488c271f610..77ada7df9fbd180c202d9d7050badf8546403777 100644
--- a/examples/LHeD/scripts/LheSimu.py
+++ b/examples/LHeD/scripts/LheSimu.py
@@ -44,7 +44,7 @@ def run():
   field.delta_chord        = 0.25*SystemOfUnits.mm
   field.delta_intersection = 1e-05*SystemOfUnits.mm
   field.delta_one_step     = 0.001*SystemOfUnits.mm
-  logger.info('+++++> %s -> stepper  = %s' field.name, field.stepper)
+  logger.info('+++++> %s -> stepper  = %s', field.name, field.stepper)
   logger.info('+++++> %s -> equation = %s', field.name, field.equation)
   logger.info('+++++> %s -> eps_min  = %s', field.name, field.eps_min)
   logger.info('+++++> %s -> eps_max  = %s', field.name, field.eps_max)