From 04d17d30b4cd8bc751055dade76179597513099d Mon Sep 17 00:00:00 2001
From: Antoine Pitrou <solipsis@pitrou.net>
Date: Mon, 31 Mar 2014 22:04:38 +0200
Subject: Issue #21073: explain why Py_ReprEnter() allows for a missing thread
 state.

---
 Objects/object.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Objects/object.c b/Objects/object.c
index c634e70..a1a69fa 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -1849,6 +1849,8 @@ Py_ReprEnter(PyObject *obj)
     Py_ssize_t i;
 
     dict = PyThreadState_GetDict();
+    /* Ignore a missing thread-state, so that this function can be called
+       early on startup. */
     if (dict == NULL)
         return 0;
     list = _PyDict_GetItemId(dict, &PyId_Py_Repr);
-- 
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