from pysnmp.entity.rfc3413.oneliner import ntforg

ntfOrg = ntforg.NotificationOriginator()

errorIndication = ntfOrg.sendNotification(
    ntforg.CommunityData('public'),
    ntforg.UdpTransportTarget(('192.168.0.147', 162)),
    'trap',
    ntforg.MibVariable('MY-MIB', 'testTrap'),
 
    
)
print "snmp sent" + str(errorIndication)
if errorIndication:
    print('Notification not sent: %s' % errorIndication)