from ahl.mongo.mongoose.fixtures._test_helpers import get_large_ts
ahl/mongo/mongoose/fixtures/_test_helpers.py:15: in <module>
    mapi = MongooseAPI('research')
ahl/mongo/mongoose/centaur_api.py:60: in __init__
    elif user_lib in self.mongoose.list_libraries():
ahl/mongo/decorators.py:91: in f_retry
    _handle_error(f, e, _retry_count, **get_host(args))
ahl/mongo/decorators.py:84: in f_retry
    return f(*args, **kwargs)
ahl/mongo/mongoose/mongoose.py:150: in list_libraries
    for coll in self._conn[db].collection_names():
/users/is/ahlpypi/egg_cache/p/pymongo-3.0.1_1_d3aa09-py2.7-linux-x86_64.egg/pymongo/database.py:491: in collection_names
    names = [result["name"] for result in results]
/users/is/ahlpypi/egg_cache/p/pymongo-3.0.1_1_d3aa09-py2.7-linux-x86_64.egg/pymongo/command_cursor.py:168: in next
    if len(self.__data) or self._refresh():
/users/is/ahlpypi/egg_cache/p/pymongo-3.0.1_1_d3aa09-py2.7-linux-x86_64.egg/pymongo/command_cursor.py:137: in _refresh
    _GetMore(self.__ns, self.__batch_size, self.__id))
/users/is/ahlpypi/egg_cache/p/pymongo-3.0.1_1_d3aa09-py2.7-linux-x86_64.egg/pymongo/command_cursor.py:106: in __send_message
    self.__collection.codec_options)
/users/is/ahlpypi/egg_cache/p/pymongo-3.0.1_1_d3aa09-py2.7-linux-x86_64.egg/pymongo/helpers.py:122: in _unpack_response
    error_object)
E   OperationFailure: database error: could not find cursor in cache for id 7892124782846971950 over collection mongoose.system.namespaces