1 files changed, 6 insertions, 0 deletions
diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index da784a0..3b6ee89 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -1852,6 +1852,12 @@ static int
 element_setattro(ElementObject* self, PyObject* nameobj, PyObject* value)
 {
     char *name = "";
+
+    if (value == NULL) {
+        PyErr_SetString(PyExc_AttributeError,
+            "can't delete attribute");
+        return -1;
+    }
     if (PyUnicode_Check(nameobj))
         name = _PyUnicode_AsString(nameobj);
     if (name == NULL)