From 26e0f51280af636e63001c6eee8c210a3db0d2c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Walter=20D=C3=B6rwald?= <walter@livinglogic.de>
Date: Tue, 12 Jun 2007 16:51:31 +0000
Subject: Mention name of left operand, if "foo in unicode_string" fails.

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

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 39b7462..bb4036a 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -6001,8 +6001,9 @@ int PyUnicode_Contains(PyObject *container,
     /* Coerce the two arguments */
     sub = PyUnicode_FromObject(element);
     if (!sub) {
-	PyErr_SetString(PyExc_TypeError,
-	    "'in <string>' requires string as left operand");
+	PyErr_Format(PyExc_TypeError,
+	    "'in <string>' requires string as left operand, not %s",
+	    element->ob_type->tp_name);
         return -1;
     }
 
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