def contentstore_config():
 return {'ENGINE': 'xmodule.contentstore.mongo.MongoContentStore', 'DOC_STORE_CONFIG': {'host': MONGO_HOST, 'db': 'test_xcontent_{}'.format(os.getpid()), 'port': MONGO_PORT_NUM}, 'ADDITIONAL_OPTIONS': {'trashcan': {'bucket': 'trash_fs'}}}

def contentstore_config ( ) : return { 'ENGINE' : 'xmodule.contentstore.mongo.MongoContentStore' , 'DOC_STORE_CONFIG' : { 'host' : MONGO_HOST , 'db' : 'test_xcontent_{}' . format ( os . getpid ( ) ) , 'port' : MONGO_PORT_NUM } , 'ADDITIONAL_OPTIONS' : { 'trashcan' : { 'bucket' : 'trash_fs' } } }
return a new configuration for the contentstore that is isolated from other such configurations .