facing issue while running python file

[maheshwarLigade]

I am newbie plz help me below is the stack trace. My python version details Python 3.6.0 :: Anaconda custom (x86_64)

Traceback (most recent call last):
File "example/openai_demo.py", line 2, in
import universe
File "/Users/mj/Documents/openai/universe/universe/init.py", line 22, in
from universe import error, envs
File "/Users/mj/Documents/openai/universe/universe/envs/init.py", line 1, in
import universe.envs.vnc_env
File "/Users/mj/Documents/openai/universe/universe/envs/vnc_env.py", line 11, in
from universe.envs import diagnostics
File "/Users/mj/Documents/openai/universe/universe/envs/diagnostics.py", line 2, in
import fastzbarlight
File "/Users/mj/Documents/conda/anaconda/lib/python3.6/site-packages/fastzbarlight/init.py", line 7, in
from ._zbarlight import zbar_code_scanner

ImportError: dlopen(/Users/mj/Documents/conda/anaconda/lib/python3.6/site-packages/fastzbarlight/_zbarlight.cpython-36m-darwin.so, 2): Symbol not found: _iconv
Referenced from: /Users/mj/Documents/conda/anaconda/lib/python3.6/site-packages/fastzbarlight/_zbarlight.cpython-36m-darwin.so
Expected in: flat namespace
in /Users/mj/Documents/conda/anaconda/lib/python3.6/site-packages/fastzbarlight/_zbarlight.cpython-36m-darwin.so
Maheshwars-MacBook-Pro:universe mj$ python openai_demo.py
Traceback (most recent call last):
File "openai_demo.py", line 2, in
import universe
File "/Users/mj/Documents/openai/universe/universe/init.py", line 22, in
from universe import error, envs
File "/Users/mj/Documents/openai/universe/universe/envs/init.py", line 1, in
import universe.envs.vnc_env
File "/Users/mj/Documents/openai/universe/universe/envs/vnc_env.py", line 11, in
from universe.envs import diagnostics
File "/Users/mj/Documents/openai/universe/universe/envs/diagnostics.py", line 2, in
import fastzbarlight
File "/Users/mj/Documents/conda/anaconda/lib/python3.6/site-packages/fastzbarlight/init.py", line 7, in
from ._zbarlight import zbar_code_scanner
ImportError: dlopen(/Users/mj/Documents/conda/anaconda/lib/python3.6/site-packages/fastzbarlight/_zbarlight.cpython-36m-darwin.so, 2): Symbol not found: _iconv
Referenced from: /Users/mj/Documents/conda/anaconda/lib/python3.6/site-packages/fastzbarlight/_zbarlight.cpython-36m-darwin.so
Expected in: flat namespace
in /Users/mj/Documents/conda/anaconda/lib/python3.6/site-packages/fastzbarlight/_zbarlight.cpython-36m-darwin.so