From f8d6f53a24f2f6cf953cc9e4c26edf4dbbca6031 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kim=20Silkeb=C3=A6kken?= <kim.silkebaekken@gmail.com>
Date: Mon, 28 Jan 2013 14:06:19 +0100
Subject: [PATCH] Don't check for mail if username or password is missing

---
 powerline/segments/common.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/powerline/segments/common.py b/powerline/segments/common.py
index 4183853a..e27d5985 100644
--- a/powerline/segments/common.py
+++ b/powerline/segments/common.py
@@ -236,6 +236,8 @@ def email_imap_alert(username, password, server='imap.gmail.com', port=993, fold
 	import imaplib
 	import re
 
+	if not username or not password:
+		return None
 	try:
 		mail = imaplib.IMAP4_SSL(server, port)
 		mail.login(username, password)