Issue 9732: remove use of __class__ in inspect.getattr_static and note the mro exception to code execution
diff --git a/Lib/inspect.py b/Lib/inspect.py
index 57d8c72..97e99aa 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -1092,7 +1092,7 @@
     instance_result = _sentinel
     if not isinstance(obj, type):
         instance_result = _check_instance(obj, attr)
-        klass = obj.__class__
+        klass = type(obj)
     else:
         klass = obj
 
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index 88c57d3..e320c68 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -855,6 +855,18 @@
         self.assertEqual(inspect.getattr_static(Thing, 'd'), meta.__dict__['d'])
 
 
+    def test_class_as_property(self):
+        class Base(object):
+            foo = 3
+
+        class Something(Base):
+            @property
+            def __class__(self):
+                return object
+
+        self.assertEqual(inspect.getattr_static(Something(), 'foo'), 3)
+        self.assertEqual(inspect.getattr_static(Something, 'foo'), 3)
+
 def test_main():
     run_unittest(
         TestDecorators, TestRetrievingSourceCode, TestOneliners, TestBuggyCases,