From a8b0707d91358d23cb9453918477d1d0b1fccd82 Mon Sep 17 00:00:00 2001
From: Ethan Furman <ethan@stoneleaf.us>
Date: Fri, 18 Oct 2013 01:22:08 -0700
Subject: Issue #19030:  special-cased __dict__ as the actual dict is not
 returned, a proxy is.

---
 Lib/inspect.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Lib/inspect.py b/Lib/inspect.py
index 7cd7011..2e3a670 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -362,6 +362,8 @@ def classify_class_attrs(cls):
         dict_obj = sentinel
         if name not in processed:
             try:
+                if name == '__dict__':
+                    raise Exception("__dict__ is special, we don't want the proxy")
                 get_obj = getattr(cls, name)
             except Exception as exc:
                 pass
-- 
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