BIM: cleanup imports in utils

src/Mod/BIM/utils/buildPsets.py

@@ -25,9 +25,9 @@
    a qto_definitions.csv files in the directory ../Presets."""
 
 import os
-from zipfile import ZipFile
 from urllib.request import urlopen
 import xml.sax
+from zipfile import ZipFile
 
 
 URL = "https://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/annex-a-psd.zip"

src/Mod/BIM/utils/ifctree.py

@@ -32,11 +32,12 @@ my ryzen9 machine, for 2700 objects. Larger files like the King Arch file
 (20 Mb / 750 000 objects) would import in 18 minutes...
 """
 
-import FreeCAD
-import ifcopenshell
-from PySide2 import QtCore, QtGui, QtWidgets
 import time
 
+import ifcopenshell
+
+from PySide import QtWidgets
+
 
 class ViewProvider: