Reformat offlineimap/emailutil.py

Add some spaces, remove lines,... now format is better (lintian).

offlineimap/emailutil.py

@@ -18,6 +18,7 @@
 import email
 from email.parser import Parser as MailParser
 
+
 def get_message_date(content, header='Date'):
     """Parses mail and returns resulting timestamp.