Fix bug where some appended assets created invalid graphs due to poor purging

src/blenderbim/docs/users/dealing_with_large_models.rst

@@ -105,7 +105,7 @@ the boolean, or create a **Blacklist Filter Mode** to exclude the element from
 import.
 
 These types of errors are usually problems with external software (i.e. not
-internationally by the end-user) and typically do not affect critical geometry
+intentionally by the end-user) and typically do not affect critical geometry
 and can be worked around.
 
 Fully resolving boolean issues is a complex case by case topic and not covered

src/ifcopenshell-python/ifcopenshell/api/project/append_asset.py

@@ -109,7 +109,7 @@ class Usecase:
             for inverse in self.file.get_inverse(added_context):
                 ifcopenshell.util.element.replace_attribute(inverse, added_context, equivalent_existing_context)
         for added_context in added_contexts:
-            ifcopenshell.util.element.remove_deep(self.file, added_context)
+            ifcopenshell.util.element.remove_deep2(self.file, added_context)
 
         element_type = ifcopenshell.util.element.get_type(self.settings["element"])
         if element_type: