[ndnSIM] Visualizer error while running examples

[sofiya kandi]

Hello All,

Getting this error while running examples in ndnsim with ns-3.29, any idea
of the resolution?

Waf: Entering directory `/root/Desktop/ndnSIM/ns-3/build'
Waf: Leaving directory `/root/Desktop/ndnSIM/ns-3/build'
Build commands will be stored in build/compile_commands.json
'build' finished successfully (1m23.753s)
19:21:48 environ              No en_IN translation found for domain kiwi
Traceback (most recent call last):
  File "<string>", line 2, in <module>
  File "/root/Desktop/ndnSIM/ns-3/src/visualizer/visualizer/core.py", line
1891, in start
    load_plugins()
  File "/root/Desktop/ndnSIM/ns-3/src/visualizer/visualizer/base.py", line
134, in load_plugins
    print("Could not load plugin %r: %s" % (filename, str(ex)),
file(sys.stderr))
TypeError: coercing to Unicode: need string or buffer, file found

Thanks
Sofiya Kandi
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