#10874: test_urllib2 shouldn't use `is` operator for comparing strings

Patch by Adreas Stührk.
diff --git a/Lib/test/test_urllib2.py b/Lib/test/test_urllib2.py
index b8a609e..17323d5 100644
--- a/Lib/test/test_urllib2.py
+++ b/Lib/test/test_urllib2.py
@@ -758,7 +758,7 @@
             else:
                 self.assertIs(o.req, req)
                 self.assertEqual(req.type, "ftp")
-            self.assertEqual(req.type is "ftp", ftp)
+            self.assertEqual(req.type == "ftp", ftp)
 
     def test_http(self):