Fix #4921. When upgrading to IFC4X3, preprocess the file to remove deprecated style assignments

src/blenderbim/blenderbim/bim/module/georeference/data.py

@@ -48,6 +48,8 @@ class GeoreferenceData:
 
     @classmethod
     def coordinate_operation_class(cls):
+        if tool.Ifc.get_schema() == "IFC2X3":
+            return []
         declaration = tool.Ifc.schema().declaration_by_name("IfcCoordinateOperation")
         declarations = ifcopenshell.util.schema.get_subtypes(declaration)
         names = [d.name() for d in declarations]

src/blenderbim/blenderbim/tool/patch.py

@@ -16,11 +16,9 @@
 # You should have received a copy of the GNU General Public License
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
 
-import os
 import bpy
 import ifcopenshell
 import blenderbim.core.tool
-import blenderbim.tool as tool
 
 try:
     import ifcpatch
@@ -31,6 +29,5 @@ except:
 class Patch(blenderbim.core.tool.Patch):
     @classmethod
     def run_migrate_patch(cls, infile, outfile, schema):
-        log = os.path.join(bpy.context.scene.BIMProperties.data_dir, "process.log")
         output = ifcpatch.execute({"input": infile, "file": ifcopenshell.open(infile), "recipe": "Migrate", "arguments": [schema]})
         ifcpatch.write(output, outfile)