[lnst: 6/9] XmlProcessing: don't transform None to string

[Jiří Pírko]

commit cd9010af99bd78e049c7aa46d01a97f31f2a31ae
Author: Ondrej Lichtner <olichtne(a)redhat.com&gt;
Date:   Wed Aug 13 18:34:55 2014 +0200

    XmlProcessing: don't transform None to string
    
    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;
    Signed-off-by: Jiri Pirko <jiri(a)resnulli.us&gt;

 lnst/Controller/XmlProcessing.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
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)