When assigning types, your preference of dynamic voids are now preserved.

src/blenderbim/test/tool/test_type.py

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+# BlenderBIM Add-on - OpenBIM Blender Add-on
+# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of BlenderBIM Add-on.
+#
+# BlenderBIM Add-on is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# BlenderBIM Add-on is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# 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 bpy
+import ifcopenshell
+import blenderbim.core.tool
+import blenderbim.tool as tool
+from test.bim.bootstrap import NewFile
+from blenderbim.tool.type import Type as subject
+
+
+class TestImplementsTool(NewFile):
+    def test_run(self):
+        assert isinstance(subject(), blenderbim.core.tool.Type)
+
+
+class TestDisableEditing(NewFile):
+    def test_run(self):
+        obj = bpy.data.objects.new("Object", None)
+        obj.BIMTypeProperties.is_editing_type = True
+        subject.disable_editing(obj)
+        assert obj.BIMTypeProperties.is_editing_type is False
+
+
+class TestGetAnyRepresentation(NewFile):
+    def test_get_product_representation(self):
+        ifc = ifcopenshell.file()
+        representation = ifc.createIfcShapeRepresentation()
+        element = ifc.createIfcWall(Representation=ifc.createIfcProductRepresentation(Representations=[representation]))
+        assert subject.get_any_representation(element) == representation
+
+    def test_get_type_product_representation(self):
+        ifc = ifcopenshell.file()
+        representation = ifc.createIfcShapeRepresentation()
+        element = ifc.createIfcWallType(
+            RepresentationMaps=[ifc.createIfcRepresentationMap(MappedRepresentation=representation)]
+        )
+        assert subject.get_any_representation(element) == representation
+
+
+class TestGetBodyRepresentation(NewFile):
+    def test_get_product_representation(self):
+        ifc = ifcopenshell.file()
+        rep = ifc.createIfcShapeRepresentation(ContextOfItems=ifc.createIfcGeometricRepresentationSubContext())
+        body_rep = ifc.createIfcShapeRepresentation(
+            ContextOfItems=ifc.createIfcGeometricRepresentationSubContext(ContextIdentifier="Body")
+        )
+        element = ifc.createIfcWall(Representation=ifc.createIfcProductRepresentation(Representations=[rep, body_rep]))
+        assert subject.get_body_representation(element) == body_rep
+
+    def test_get_type_product_representation(self):
+        ifc = ifcopenshell.file()
+        rep = ifc.createIfcShapeRepresentation(ContextOfItems=ifc.createIfcGeometricRepresentationSubContext())
+        body_rep = ifc.createIfcShapeRepresentation(
+            ContextOfItems=ifc.createIfcGeometricRepresentationSubContext(ContextIdentifier="Body")
+        )
+        element = ifc.createIfcWallType(
+            RepresentationMaps=[
+                ifc.createIfcRepresentationMap(MappedRepresentation=rep),
+                ifc.createIfcRepresentationMap(MappedRepresentation=body_rep),
+            ]
+        )
+        assert subject.get_body_representation(element) == body_rep
+
+
+class TestHasDynamicVoids(NewFile):
+    def test_run(self):
+        obj = bpy.data.objects.new("Object", None)
+        assert subject.has_dynamic_voids(obj) is False
+
+    def test_checking_modifiers(self):
+        obj = bpy.data.objects.new("Object", bpy.data.meshes.new("Mesh"))
+        obj.modifiers.new("IfcOpeningElement", "BOOLEAN")
+        assert subject.has_dynamic_voids(obj) is True