Fixing - Issue7026 - RuntimeError: dictionary changed size during iteration. Patch by flox
diff --git a/Lib/test/test_mailbox.py b/Lib/test/test_mailbox.py
index 548850a..01b1c36 100644
--- a/Lib/test/test_mailbox.py
+++ b/Lib/test/test_mailbox.py
@@ -5,7 +5,6 @@
import socket
import email
import email.message
-import rfc822
import re
import StringIO
from test import test_support
@@ -17,6 +16,8 @@
except ImportError:
pass
+# Silence Py3k warning
+rfc822 = test_support.import_module('rfc822')
class TestBase(unittest.TestCase):