py/rna remove functions now all work in a similar way.

- some remove() functions took an int argument rather then the item to remove.
- disallow None argument.
- raise an error if the item isnt in the collection.

1 files changed, 1 insertions, 1 deletions

diff --git a/source/blender/makesrna/intern/rna_meta.c b/source/blender/makesrna/intern/rna_meta.c
index 59fff17b1ea..e364b075024 100644
--- a/source/blender/makesrna/intern/rna_meta.c
+++ b/source/blender/makesrna/intern/rna_meta.c
@@ -240,7 +240,7 @@ static void rna_def_metaball_elements(BlenderRNA *brna, PropertyRNA *cprop)
 	RNA_def_function_ui_description(func, "Remove a spline from a curve.");
 	RNA_def_function_flag(func, FUNC_USE_REPORTS);
 	parm= RNA_def_pointer(func, "element", "MetaElement", "", "The element to remove.");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
+	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);
 
 	prop= RNA_def_property(srna, "active", PROP_POINTER, PROP_NONE);
 	RNA_def_property_pointer_sdna(prop, NULL, "lastelem");