1 files changed, 13 insertions, 10 deletions
diff --git a/examples/hlapi/v3arch/asyncore/sync/agent/ntforg/custom-contextengineid.py b/examples/hlapi/v3arch/asyncore/sync/agent/ntforg/custom-contextengineid.py
index 1b9e12d5..18da255f 100644
--- a/examples/hlapi/v3arch/asyncore/sync/agent/ntforg/custom-contextengineid.py
+++ b/examples/hlapi/v3arch/asyncore/sync/agent/ntforg/custom-contextengineid.py
@@ -22,23 +22,26 @@ Functionally similar to:
 """#
 from pysnmp.hlapi import *
 
-errorIndication, errorStatus, errorIndex, varBinds = next(
-    sendNotification(SnmpEngine(),
-                     UsmUserData('usr-md5-none', 'authkey1'),
-                     UdpTransportTarget(('demo.snmplabs.com', 162)),
-                     ContextData(OctetString(hexValue='8000000004030201')),
-                     'inform',
-                     NotificationType(
-                         ObjectIdentity('1.3.6.1.6.3.1.1.5.2')
-                     ).loadMibs('SNMPv2-MIB')
-    )
+iterator = sendNotification(
+    SnmpEngine(),
+    UsmUserData('usr-md5-none', 'authkey1'),
+    UdpTransportTarget(('demo.snmplabs.com', 162)),
+    ContextData(OctetString(hexValue='8000000004030201')),
+    'inform',
+    NotificationType(
+        ObjectIdentity('1.3.6.1.6.3.1.1.5.2')
+    ).loadMibs('SNMPv2-MIB')
 )
 
+errorIndication, errorStatus, errorIndex, varBinds = next(iterator)
+
 if errorIndication:
     print(errorIndication)
+
 elif errorStatus:
     print('%s at %s' % (errorStatus.prettyPrint(),
                         errorIndex and varBinds[int(errorIndex) - 1][0] or '?'))
+
 else:
     for varBind in varBinds:
         print(' = '.join([x.prettyPrint() for x in varBind]))