#2697 take only a single inverse at a time

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",