title: NoSuchObjectError pysnmp
body: <p>I am currently getting an error when I pass my pysnmp operation an oid.  The error I am getting is </p>
  
  <blockquote>
    <p>*************************NoSuchObjectError({'str': "Can't resolve node name ::(u'1', u'3', u'6', u'1', u'4', u'1', u'9', u'9', u'91', u'1', u'2', u'1', u'1', u'4') at "})***********</p>
  </blockquote>
  
  <p>and here is my code:</p>
  
  <pre><code>def SNMPWalkChildren(ipAddress, communityString, parentOID):
  result = ""
  try:
      DebugCode(ipAddress + " " + communityString + " " + parentOID)
      cmdGen = cmdgen.CommandGenerator()
  
      errorIndication, errorStatus, errorIndex, varBindTable = cmdGen.nextCmd(
          cmdgen.CommunityData(communityString),
          cmdgen.UdpTransportTarget((ipAddress, 161)),
          parentOID
      )
  
      if errorIndication:
          DebugCode(errorIndication)
      else:
          if errorStatus:
              DebugCode('%s at %s' % (
                  errorStatus.prettyPrint(),
                  errorIndex and varBindTable[-1][int(errorIndex)-1] or '?'
                  )
              )
          else:
              for varBindTableRow in varBindTable:
                  for name, val in varBindTableRow:                       
                      result += "\"" + str(name.prettyPrint()) + "\"" + ', \n'
                      DebugCode(name.prettyPrint())
      DebugCode(result[:-2])
      return result[:-2]
  except Exception as e:
      DebugCode(str(e))
  </code></pre>