diff --git a/sdk/python/ydk/providers/_decoder.py b/sdk/python/ydk/providers/_decoder.py
index ed5c1202e..e405f7709 100644
--- a/sdk/python/ydk/providers/_decoder.py
+++ b/sdk/python/ydk/providers/_decoder.py
@@ -105,7 +105,7 @@ def _to_real_union_type_helper(self, rt, member, entity):
                 return rt[0].text
             elif contained_member.ptype == 'long' and rt[0].text is not None and rt[0].text.isdigit():
                 return long(rt[0].text)
-            elif contained_member.ptype == 'int' and rt[0].text is not None and rt[0].isidigit():
+            elif contained_member.ptype == 'int' and rt[0].text is not None and rt[0].text.isdigit():
                 return int(rt[0].text)
             elif contained_member.ptype == 'Decimal64' and rt[0].text is not None:
                 try:
diff --git a/yang/ydktest/ydktest-sanity@2015-11-17.yang b/yang/ydktest/ydktest-sanity@2015-11-17.yang
index 93d0bc9a4..461179835 100644
--- a/yang/ydktest/ydktest-sanity@2015-11-17.yang
+++ b/yang/ydktest/ydktest-sanity@2015-11-17.yang
@@ -284,7 +284,7 @@ module ydktest-sanity {
 
         leaf enum-value {
           description "this is enum type value";
-          type Ydk-Enum-test; 
+          type Ydk-Enum-test;
         }
         
         leaf identity-ref-value {
diff --git a/yang/ydktest/ydktest-union@2015-11-17.yang b/yang/ydktest/ydktest-union@2015-11-17.yang
deleted file mode 100644
index 2a9649045..000000000
--- a/yang/ydktest/ydktest-union@2015-11-17.yang
+++ /dev/null
@@ -1,86 +0,0 @@
-module ydktest-union {
-
-  /*** NAMESPACE / PREFIX DEFINITION ***/
-
-  namespace "http://cisco.com/ns/yang/ydktest-union";
-
-
-  prefix "ydkut";
-
-  /*** LINKAGE (IMPORTS / INCLUDES) ***/
-
-  //import ietf-inet-types { prefix "inet"; }
-
-  //import Cisco-IOS-XR-types { prefix "xr"; }
-
-
-
-  organization "Cisco Systems, Inc.";
-
-  contact
-    "Cisco Systems, Inc.
-     Customer Service
-
-     Postal: 170 West Tasman Drive
-     San Jose, CA 95134
-
-     Tel: +1 800 553-NETS
-
-     E-mail: cs-yang@cisco.com";
-
-  description 
-    "This module contains a collection of YANG definitions
-     for unions
-    
-
-     Copyright (c) 2013-2014 by Cisco Systems, Inc.
-     All rights reserved.";
-
-  revision "2015-11-17" {
-    description
-      "Initial revision.";
-  }
-
-
-  
- typedef Ydk-Enum-test {
-    type enumeration {
-      enum not-set {
-        value 0;
-        description "Not Set";
-      }
-      enum none {
-        value 1;
-        description "None";
-      }
-      enum local {
-        value 2;
-        description "Local";
-      }
-      enum remote {
-        value 3;
-        description "Remote";
-      }
-    }
-    description "YDK Enum test";
-  }
-   
-container built-in-t {
-     
-     description "config for built-in types";
-        
-
-     leaf younion {
-          type union {
-            type Ydk-Enum-test;
-            type uint32 {
-              range "0..63";
-            }
-          }
-     
-        }
-}
-}     
-
-
-