nsh: fix issues found by pyang

Change-Id: I7312cdd3d37657d8ea10cb36bd13b48a8d353667
Signed-off-by: Marek Gradzki <[email protected]>

diff --git a/nsh/api/src/main/yang/[email protected] b/nsh/api/src/main/yang/[email protected]
index a379313..5427227 100644 (file)
--- a/nsh/api/src/main/yang/[email protected]
+++ b/nsh/api/src/main/yang/[email protected]
@@ -3,6 +3,10 @@ module vpp-nsh {
   namespace "urn:opendaylight:params:xml:ns:yang:vpp:nsh";
   prefix "vpp-nsh";
 
+  import yang-ext {
+    prefix "ext";
+  }
+
   revision "2017-03-15" {
     description
     "This revision adds support for NSH-MD2 features";
@@ -17,25 +21,6 @@ module vpp-nsh {
     description
     "Initial revision of vpp-nsh model";
   }
-
-  import iana-if-type {
-    prefix "ianaift";
-  }
-  import ietf-interfaces {
-    prefix "if";
-  }
-  import ietf-yang-types {
-    prefix "yang";
-  }
-  import ietf-inet-types {
-    prefix "inet";
-  }
-  import yang-ext {
-    prefix "ext";
-  }
-  import v3po {
-    prefix "v3po";
-  }
   /*
    * Defines the supported next protocols that can be used for
    * NSH next-protocol field.