Problem executing file #1
Description
Hi, when I use listener code
from smpp import *
smpp = SMPP ('smsc', 2775) #, keepalive = False)
smpp.bind_receiver ('user', 'pass', 'VAS')
smpp.listen ()
smpp.unbind ()
get this error
NameError: global name 'SMPPListener' is not defined
what's the problem ?