diff --git a/src/Mod/Arch/exportIFC.py b/src/Mod/Arch/exportIFC.py
index 413a70f768..6aa2ba8748 100644
--- a/src/Mod/Arch/exportIFC.py
+++ b/src/Mod/Arch/exportIFC.py
@@ -355,7 +355,14 @@ def export(exportList,filename,colors=None,preferences=None):
 
         # getting the representation
 
-        representation,placement,shapetype = getRepresentation(ifcfile,context,obj,forcebrep=(brepflag or preferences['FORCE_BREP']),colors=colors,preferences=preferences)
+        representation,placement,shapetype = getRepresentation(
+            ifcfile,
+            context,
+            obj,
+            forcebrep=(brepflag or preferences['FORCE_BREP']),
+            colors=colors,
+            preferences=preferences
+        )
         if getstd:
             if isStandardCase(obj,ifctype):
                 ifctype += "StandardCase"
@@ -501,7 +508,7 @@ def export(exportList,filename,colors=None,preferences=None):
                     sheet = obj.IfcProperties
                     propertiesDic = {}
                     categories = []
-                    n=2
+                    n = 2
                     cell = True
                     while cell is True:
                         if hasattr(sheet,'A'+str(n)):
diff --git a/src/Mod/Arch/exportIFCHelper.py b/src/Mod/Arch/exportIFCHelper.py
index 2cb35eead0..459dbdcca0 100644
--- a/src/Mod/Arch/exportIFCHelper.py
+++ b/src/Mod/Arch/exportIFCHelper.py
@@ -27,7 +27,7 @@ import math
 
 
 import FreeCAD
-import Draft
+# import Draft
 
 
 def getObjectsOfIfcType(objects, ifcType):
@@ -41,14 +41,18 @@ def getObjectsOfIfcType(objects, ifcType):
 
 class SIUnitCreator:
     def __init__(self, file, text, type):
-        self.prefixes = ["EXA", "PETA", "TERA", "GIGA", "MEGA", "KILO", "HECTO",
+        self.prefixes = [
+            "EXA", "PETA", "TERA", "GIGA", "MEGA", "KILO", "HECTO",
             "DECA", "DECI", "CENTI", "MILLI", "MICRO", "NANO", "PICO", "FEMTO",
-            "ATTO"]
-        self.unitNames = ["AMPERE", "BECQUEREL", "CANDELA", "COULOMB",
+            "ATTO"
+        ]
+        self.unitNames = [
+            "AMPERE", "BECQUEREL", "CANDELA", "COULOMB",
             "CUBIC_METRE", "DEGREE CELSIUS", "FARAD", "GRAM", "GRAY", "HENRY",
             "HERTZ", "JOULE", "KELVIN", "LUMEN", "LUX", "MOLE", "NEWTON", "OHM",
             "PASCAL", "RADIAN", "SECOND", "SIEMENS", "SIEVERT", "SQUARE METRE",
-            "METRE", "STERADIAN", "TESLA", "VOLT", "WATT", "WEBER"]
+            "METRE", "STERADIAN", "TESLA", "VOLT", "WATT", "WEBER"
+        ]
         self.text = text
         self.SIUnit = file.createIfcSIUnit(None, type, self.getSIPrefix(), self.getSIUnitName())
 
@@ -101,7 +105,7 @@ class ContextCreator:
                 self.project_data["map_projection"],
                 self.project_data["map_zone"],
                 SIUnit.SIUnit
-                )
+            )
         except:
             return None
 
@@ -115,7 +119,7 @@ class ContextCreator:
                 self.calculateXAxisAbscissa(),
                 self.calculateXAxisOrdinate(),
                 float(self.project_data["scale"])
-                )
+            )
         except:
             return None