#756982: Remove rfc822 reference.
diff --git a/Lib/mailbox.py b/Lib/mailbox.py
index 595f986..38ff0b1 100755
--- a/Lib/mailbox.py
+++ b/Lib/mailbox.py
@@ -18,7 +18,6 @@
import email
import email.message
import email.generator
-import rfc822
import io
try:
if sys.platform == 'os2emx':
@@ -222,7 +221,7 @@
colon = ':'
- def __init__(self, dirname, factory=rfc822.Message, create=True):
+ def __init__(self, dirname, factory=None, create=True):
"""Initialize a Maildir instance."""
Mailbox.__init__(self, dirname, factory, create)
if not os.path.exists(self._path):