inspect.classify_class_attrs: Classify object.__new__ and __init__ correctly #18801

2 files changed, 5 insertions, 1 deletions

diff --git a/Lib/inspect.py b/Lib/inspect.py
index e6c7b5b..8de9892 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -412,7 +412,7 @@ def classify_class_attrs(cls):
         elif isinstance(dict_obj, property):
             kind = "property"
             obj = dict_obj
-        elif isfunction(obj) or ismethoddescriptor(obj):
+        elif isroutine(obj):
             kind = "method"
         else:
             kind = "data"
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index f06b5b4..477f601 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -646,6 +646,10 @@ class TestClassesAndFunctions(unittest.TestCase):
             md = _BrokenMethodDescriptor()
 
         attrs = attrs_wo_objs(A)
+
+        self.assertIn(('__new__', 'method', object), attrs, 'missing __new__')
+        self.assertIn(('__init__', 'method', object), attrs, 'missing __init__')
+
         self.assertIn(('s', 'static method', A), attrs, 'missing static method')
         self.assertIn(('c', 'class method', A), attrs, 'missing class method')
         self.assertIn(('p', 'property', A), attrs, 'missing property')