[PATCH 6/8] XmlProcessing: don't transform None to string

[Ondrej Lichtner]

From: Ondrej Lichtner <olichtne(a)redhat.com&gt;

If the XmlData dictionary contained a None value it would be transformed
to a string. This fixes that.

Signed-off-by: Ondrej Lichtner <olichtne(a)redhat.com&gt;
---
 lnst/Controller/XmlProcessing.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lnst/Controller/XmlProcessing.py b/lnst/Controller/XmlProcessing.py
index 771ead5..40debae 100644
--- a/lnst/Controller/XmlProcessing.py
+++ b/lnst/Controller/XmlProcessing.py
@@ -140,7 +140,8 @@ class XmlData(dict):
 
     def __getitem__(self, key):
         value = super(XmlData, self).__getitem__(key)
-        if type(value) == XmlData or type(value) == XmlCollection:
+        if type(value) == XmlData or type(value) == XmlCollection\
+           or value == None:
             return value
 
         return str(value)
-- 
1.9.3