Traceback (most recent call last):


 "/home/gcdb1/arctic/arctic/coinapi/coinapi_tickstore.py", line 166, in <module>

securities_master=securities_master)


 "/home/gcdb1/arctic/arctic/coinapi/coinapi_tickstore.py", line 55, in __init__

self.library = self.store[arctic_library]


 "/home/gcdb1/anaconda3/lib/python3.6/site-packages/arctic/arctic.py", line 285, in __getitem__

return self.get_library(key)


 "/home/gcdb1/anaconda3/lib/python3.6/site-packages/arctic/arctic.py", line 263, in get_library

l = ArcticLibraryBinding(self, library)


 "/home/gcdb1/anaconda3/lib/python3.6/site-packages/arctic/arctic.py", line 412, in __init__

self._curr_conn = self.arctic._conn


 "/home/gcdb1/anaconda3/lib/python3.6/site-packages/arctic/decorators.py", line 50, in f_retry

return f(*args, **kwargs)


 "/home/gcdb1/anaconda3/lib/python3.6/site-packages/arctic/arctic.py", line 136, in _conn

auth = get_auth(self.mongo_host, self._application_name, 'admin')


 "/home/gcdb1/anaconda3/lib/python3.6/site-packages/arctic/auth.py", line 30, in get_auth

return _get_auth_hook(host, app_name, database_name)
TypeError: 'MongoCredentials' object is not callable

Traceback (most recent call last):


 "/usr/local/lib/python3.5/dist-packages/gym/core.py", line 203, in __del__

self.close()


 "/usr/local/lib/python3.5/dist-packages/gym/core.py", line 164, in close

self.render(close=True)


 "/usr/local/lib/python3.5/dist-packages/gym/core.py", line 150, in render

return self._render(mode=mode, close=close)


 "/usr/local/universe/universe/vectorized/multiprocessing_env.py", line 310, in _render

return render_n(self.worker_n, mode=mode, close=close)


 "/usr/local/universe/universe/vectorized/multiprocessing_env.py", line 230, in render_n

worker_n = worker_n[0:]
TypeError: 'NoneType' object is not subscriptable
