From 96fabc3d0d8049d9e1f9a95c46a3cfe7de53f033 Mon Sep 17 00:00:00 2001
From: elie <elie>
Date: Sun, 31 May 2015 19:18:10 +0000
Subject: alias Null to Unspecified symbol for convenience

---
 pysnmp/proto/rfc1905.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pysnmp/proto/rfc1905.py b/pysnmp/proto/rfc1905.py
index 30964e0..e77912f 100644
--- a/pysnmp/proto/rfc1905.py
+++ b/pysnmp/proto/rfc1905.py
@@ -6,6 +6,9 @@ max_bindings = rfc1902.Integer(2147483647)
 
 # Take SNMP exception values out of BindValue structure for convenience
 
+UnSpecified = univ.Null
+unSpecified = UnSpecified()
+
 class NoSuchObject(univ.Null):
     tagSet = univ.Null.tagSet.tagImplicitly(
         tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0x00)
@@ -34,7 +37,7 @@ endOfMibView = EndOfMibView()
 class _BindValue(univ.Choice):
     componentType = namedtype.NamedTypes(
         namedtype.NamedType('value', rfc1902.ObjectSyntax()),
-        namedtype.NamedType('unSpecified', univ.Null()),
+        namedtype.NamedType('unSpecified', unSpecified),
         namedtype.NamedType('noSuchObject', noSuchObject),
         namedtype.NamedType('noSuchInstance', noSuchInstance),
         namedtype.NamedType('endOfMibView', endOfMibView)
-- 
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