@@ -1,4 +1,6 @@
+import array
 import xml.sax
+from xml.etree.ElementTree import Element
 from xml.parsers import expat
 
 from testutils import assert_raises
@@ -66,3 +68,18 @@ def endElement(self, name):
     ("characters", "text"),
     ("end-cdata",),
 ]
+
+root = Element("root")
+for value, type_name in (
+    (None, "None"),
+    (1, "int"),
+    ("child", "str"),
+    (array.array("b"), "array.array"),
+    (type("A" * 60, (), {})(), "A" * 50),
+    (type("€" * 20, (), {})(), "€" * 16),
+):
+    with assert_raises(TypeError) as caught:
+        root.remove(value)
+    assert str(caught.exception) == (
+        "remove() argument must be xml.etree.ElementTree.Element, not " + type_name
+    )