From ac6616afd6016ed5e47ba1aaab62993471ed66fa Mon Sep 17 00:00:00 2001
From: lilydjwg <lilydjwg@gmail.com>
Date: Sun, 13 Aug 2017 18:49:36 +0800
Subject: [PATCH] fix get_version returning None

---
 nvchecker/get_version.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nvchecker/get_version.py b/nvchecker/get_version.py
index c2efa94..8a94d23 100644
--- a/nvchecker/get_version.py
+++ b/nvchecker/get_version.py
@@ -18,6 +18,8 @@ async def get_version(name, conf):
     if key in conf:
       func = import_module('.source.' + key, __package__).get_version
       version = await func(name, conf)
-      return version.replace('\n', ' ')
+      if version:
+        version.replace('\n', ' ')
+      return version
   else:
     logger.error('%s: no idea to get version info.', name)