این ایراد رو می ده
File "/usr/local/IBSng/core/lib/pysnmp/role.py", line 194, in send_and_receive
raise NoResponse('No response arrived before timeout')
NoResponse: No response arrived before timeout
تو لاین 194 هم این مجود است
# Send request till response or retry counter hits the limit
while retries < self.retries:
# Send a request
self.send(message, dst)


# Wait for response
(response, src) = self.receive()


# See if it's succeeded
if response:
return(response, src)


# Otherwise, try it again
retries = retries + 1


# No answer, raise an exception
raise NoResponse('No response arrived before timeout')