[ndnSIM] import topology error (ndns)

[Seshariana Rahma Melati]

Hello, i'm trying to run the code of ndns scenario-simple-5node.py from
https://github.com/cawka/ndnSIM-ndns, and i have a problem when i run in
ndnSIM the warning is:

Trace (most recent call last):
File "/home/sesharianarm/ndnSIM/ns-3/src/ndns/scenario-simple-5node.py",
line 36, in <module>
import topology
File "/home/sesharianarm/ndnSIM/ns-3/src/ndns/topology/__init__.py", line
15, in <module>
from ns.ndnSIM import ndn, AnnotatedTopologyReader
ImportError: cannot import name AnnotatedTopologyReader

i don't know how can i solve that problem, is it because i wrong directory
when i clone ndns ? please tell me how to run ndns scenario

thank you very much...
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