From 474b19e2abc71c3ae0afd5e7a11006cf40b9c047 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Thu, 14 May 1998 01:00:51 +0000
Subject: [PATCH] Make sure that PyDict_GetItem[String]() *never* raises an
 exception. If the argument is not a dictionary, simply return NULL.  If the
 hash() on the key fails, clear the error.

---
 Objects/dictobject.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 06d2dc4f92c..7fed379ef59 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -317,7 +317,6 @@ PyDict_GetItem(op, key)
 {
 	long hash;
 	if (!PyDict_Check(op)) {
-		PyErr_BadInternalCall();
 		return NULL;
 	}
 	if (((dictobject *)op)->ma_table == NULL)
@@ -328,8 +327,10 @@ PyDict_GetItem(op, key)
 #endif
 	{
 		hash = PyObject_Hash(key);
-		if (hash == -1)
+		if (hash == -1) {
+			PyErr_Clear();
 			return NULL;
+		}
 	}
 	return lookdict((dictobject *)op, key, hash) -> me_value;
 }