1 files changed, 14 insertions, 6 deletions
diff --git a/examples/hlapi/v3arch/asyncore/manager/cmdgen/query-multiple-snmp-engines-over-ipv4-and-ipv6.py b/examples/hlapi/v3arch/asyncore/manager/cmdgen/query-multiple-snmp-engines-over-ipv4-and-ipv6.py
index ad6e838f..fc2143d4 100644
--- a/examples/hlapi/v3arch/asyncore/manager/cmdgen/query-multiple-snmp-engines-over-ipv4-and-ipv6.py
+++ b/examples/hlapi/v3arch/asyncore/manager/cmdgen/query-multiple-snmp-engines-over-ipv4-and-ipv6.py
@@ -33,22 +33,25 @@ from pysnmp.carrier.asyncore.dispatch import AsyncoreDispatcher
 
 # List of targets in the following format:
 # ( ( authData, transportTarget, varNames ), ... )
-targets = (
+TARGETS = (
     # 1-st target (SNMPv1 over IPv4/UDP)
     (CommunityData('public', mpModel=0),
      UdpTransportTarget(('demo.snmplabs.com', 161)),
      (ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysDescr', 0)),
       ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysLocation', 0)))),
+
     # 2-nd target (SNMPv2c over IPv4/UDP)
     (CommunityData('public'),
      UdpTransportTarget(('demo.snmplabs.com', 1161)),
      (ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysDescr', 0)),
       ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysLocation', 0)))),
+
     # 3-nd target (SNMPv3 over IPv4/UDP)
     (UsmUserData('usr-md5-des', 'authkey1', 'privkey1'),
      UdpTransportTarget(('demo.snmplabs.com', 2161)),
      (ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysDescr', 0)),
       ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysLocation', 0))))
+
     # N-th target
     # ...
 )
@@ -58,15 +61,19 @@ targets = (
 # noinspection PyUnusedLocal,PyUnusedLocal
 def cbFun(snmpEngine, sendRequestHandle, errorIndication,
           errorStatus, errorIndex, varBinds, cbCtx):
-    (snmpEngine, authData, transportTarget) = cbCtx
+    authData, transportTarget = cbCtx
+
     print('snmpEngine %s: %s via %s' % (snmpEngine.snmpEngineID.prettyPrint(), authData, transportTarget))
+
     if errorIndication:
         print(errorIndication)
         return True
+
     elif errorStatus:
         print('%s at %s' % (errorStatus.prettyPrint(),
                             errorIndex and varBinds[int(errorIndex) - 1][0] or '?'))
         return True
+
     else:
         for varBind in varBinds:
             print(' = '.join([x.prettyPrint() for x in varBind]))
@@ -86,10 +93,11 @@ snmpEngineA.registerTransportDispatcher(transportDispatcher, 'A')
 snmpEngineB = SnmpEngine()
 snmpEngineB.registerTransportDispatcher(transportDispatcher, 'B')
 
-for authData, transportTarget, varBinds in targets:
-    snmpEngine = transportTarget.getTransportInfo()[1][1] % 3 and \
-                 snmpEngineA or snmpEngineB
+for authData, transportTarget, varBinds in TARGETS:
+    snmpEngine = (transportTarget.getTransportInfo()[1][1] % 3 and
+                  snmpEngineA or snmpEngineB)
+
     getCmd(snmpEngine, authData, transportTarget, ContextData(), *varBinds,
-           cbFun=cbFun, cbCtx=(snmpEngine, authData, transportTarget))
+           cbFun=cbFun, cbCtx=(authData, transportTarget))
 
 transportDispatcher.runDispatcher()