warnings.catch_warnings() now returns a list or None instead of the custom
WarningsRecorder object. This makes the API simpler to use as no special object
must be learned.

Closes issue 3781.
Review by Benjamin Peterson.
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index 0576b62..06a2378 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -4,9 +4,9 @@
 import sys
 import unittest
 import pickle, cPickle
+import warnings
 
-from test.test_support import (TESTFN, unlink, run_unittest,
-                                catch_warning, captured_output)
+from test.test_support import TESTFN, unlink, run_unittest, captured_output
 from test.test_pep352 import ignore_message_warning
 
 # XXX This is not really enough, each *operation* should be tested!
@@ -274,7 +274,7 @@
         except NameError:
             pass
 
-        with catch_warning():
+        with warnings.catch_warnings():
             ignore_message_warning()
             for exc, args, expected in exceptionList:
                 try: