diff --git a/src/ifcopenshell-python/ifcopenshell/api/root/remove_product.py b/src/ifcopenshell-python/ifcopenshell/api/root/remove_product.py index b9da20ec65..50789f0dae 100644 --- a/src/ifcopenshell-python/ifcopenshell/api/root/remove_product.py +++ b/src/ifcopenshell-python/ifcopenshell/api/root/remove_product.py @@ -76,7 +76,11 @@ class Usecase: ifcopenshell.api.run("grid.remove_grid_axis", self.file, axis=axis) # TODO: remove object placement and other relationships - for inverse in self.file.get_inverse(self.settings["product"]): + + # Use a while loop so that we don't keep inverses in memory that might + # get deleted as a result of the API calls in the loop body (#2697) + while inverses := self.file.get_inverse(self.settings["product"]): + inverse = next(iter(inverses)) if inverse.is_a("IfcRelDefinesByProperties"): ifcopenshell.api.run( "pset.remove_pset",