Changed import order

These changes close the lintian warning C0411.

offlineimap/folder/Gmail.py

@@ -18,8 +18,8 @@
 """Folder implementation to support features of the Gmail IMAP server."""
 
 import re
-import six
 from sys import exc_info
+import six
 
 from offlineimap import imaputil, imaplibutil, OfflineImapError
 import offlineimap.accounts

offlineimap/folder/GmailMaildir.py

@@ -17,13 +17,13 @@
 
 
 import os
-import six
 from sys import exc_info
+import six
 
-from .Maildir import MaildirFolder
 import offlineimap.accounts
 from offlineimap import OfflineImapError
 from offlineimap import imaputil
+from .Maildir import MaildirFolder
 
 
 class GmailMaildirFolder(MaildirFolder):

offlineimap/folder/IMAP.py

@@ -22,10 +22,10 @@ import time
 from sys import exc_info
 import six
 
-from .Base import BaseFolder
 from offlineimap import imaputil, imaplibutil, emailutil, OfflineImapError
 from offlineimap import globals
 from offlineimap.virtual_imaplib2 import MonthNames
+from .Base import BaseFolder
 
 # Globals
 CRLF = '\r\n'

offlineimap/folder/Maildir.py

@@ -19,9 +19,9 @@ import socket
 import time
 import re
 import os
-import six
 from sys import exc_info
 from threading import Lock
+import six
 
 try:
     from hashlib import md5