From 8049dde8d769d261a50bb7dd5706c46a37573a6c Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sat, 1 Mar 2003 01:44:32 +0000
Subject: [PATCH] Removed duplicate test from inner loop. The PyIter_Check is
 already performed by PyObject_GetIter.

---
 Objects/abstract.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/Objects/abstract.c b/Objects/abstract.c
index b4fbd32a87..36c1608767 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -2182,12 +2182,7 @@ PyObject *
 PyIter_Next(PyObject *iter)
 {
 	PyObject *result;
-	if (!PyIter_Check(iter)) {
-		PyErr_Format(PyExc_TypeError,
-			     "'%.100s' object is not an iterator",
-			     iter->ob_type->tp_name);
-		return NULL;
-	}
+	assert(PyIter_Check(iter));
 	result = (*iter->ob_type->tp_iternext)(iter);
 	if (result == NULL &&
 	    PyErr_Occurred() &&
-- 
2.49.0