python3 doesn't have 'long' type

[naemono]

traceback: Traceback (most recent call last):
  File "worker/newrelic.py", line 56, in new_relic_metrics
    metric_set = gather_metrics(account, instance)
  File "worker/newrelic.py", line 134, in gather_metrics
    metric_set = add_network_and_operations_metrics(instance, metric_set)
  File "worker/newrelic.py", line 155, in add_network_and_operations_metrics
    instance_persecond_stats = instance.new_relic_stats.get('server_statistics_per_second', None)
  File "/Users/user/.pyenv/versions/new-relic-worker/lib/python3.6/site-packages/objectrocket/util.py", line 46, in wrapper
    response = func(self, *args, **kwargs)
  File "/Users/user/.pyenv/versions/new-relic-worker/lib/python3.6/site-packages/objectrocket/instances/mongodb.py", line 126, in new_relic_stats
    {shard.name: future.result() for (shard, future) in zip(shards, fs)})
  File "/Users/user/.pyenv/versions/new-relic-worker/lib/python3.6/site-packages/objectrocket/instances/mongodb.py", line 164, in _rollup_shard_stats_to_instance_stats
    stats.get('shard_stats')[statistic_key])
  File "/Users/user/.pyenv/versions/new-relic-worker/lib/python3.6/site-packages/objectrocket/util.py", line 71, in sum_values
    number_types = (int, float, long, bool) # noqa
NameError: name 'long' is not defined