Make errors more descriptive

Author: abstractedfox

Lib/xml/etree/ElementTree.py

@@ -527,8 +527,9 @@ class ElementTree:
     """
     def __init__(self, element=None, file=None):
         if element is not None and not iselement(element):
-            raise TypeError(f"element must be xml.etree.Element, "
-                            f"not {type(element).__name__}")
+            raise TypeError(f"element must be xml.etree.Element or "
+                            f"Element-like object, not "
+                            f"{type(element).__name__}")
         self._root = element # first node
         if file:
             self.parse(file)
@@ -545,8 +546,9 @@ def _setroot(self, element):
 
         """
         if not iselement(element):
-            raise TypeError(f"element must be xml.etree.Element, "
-                            f"not {type(element).__name__}")
+            raise TypeError(f"element must be xml.etree.Element or "
+                            f"Element-like object, not "
+                            f"{type(element).__name__}")
         self._root = element
 
     def parse(self, source, parser=None):