# Buggy code
def _actor_table(self, actor_id):
    """Fetch and parse the actor table information for a single actor ID.

    Args:
        actor_id: A actor ID to get information about.

    Returns:
        A dictionary with information about the actor ID in question.
    """
    assert isinstance(actor_id, ray.ActorID)
    message = self.redis_client.execute_command(
        "RAY.TABLE_LOOKUP", gcs_utils.TablePrefix.Value("ACTOR"), "", actor_id.binary()
    )
    if message is None:
        return {}
    gcs_entries = gcs_utils.GcsEntry.FromString(message)

    assert len(gcs_entries.entries) == 1
    actor_table_data = gcs_utils.ActorTableData.FromString(gcs_entries.entries[0])

    actor_info = {
        "ActorID": binary_to_hex(actor_table_data.actor_id),
        "JobID": binary_to_hex(actor_table_data.job_id),
        "Address": {
            "IPAddress": actor_table_data.address.ip_address,
            "Port": actor_table_data.address.port,
        },
        "OwnerAddress": {
            "IPAddress": actor_table_data.owner_address.ip_address,
            "Port": actor_table_data.owner_address.port,
        },
        "IsDirectCall": actor_table_data.is_direct_call,
        "State": actor_table_data.state,
        "Timestamp": actor_table_data.timestamp,
    }

    return actor_info


# Traceback (AssertionError)
Traceback (most recent call last):
File "/Users/rkn/opt/anaconda3/lib/python3.7/threading.py", line 926, in _bootstrap_inner
self.run()
File "/Users/rkn/opt/anaconda3/lib/python3.7/site-packages/ray/dashboard/dashboard.py", line 546, in run
current_actor_table = ray.actors()
File "/Users/rkn/opt/anaconda3/lib/python3.7/site-packages/ray/state.py", line 1133, in actors
return state.actor_table(actor_id=actor_id)
File "/Users/rkn/opt/anaconda3/lib/python3.7/site-packages/ray/state.py", line 369, in actor_table
ray.ActorID(actor_id_binary))
File "/Users/rkn/opt/anaconda3/lib/python3.7/site-packages/ray/state.py", line 321, in _actor_table
assert len(gcs_entries.entries) == 1
AssertionError

# Fixed code
def _actor_table(self, actor_id):
    """Fetch and parse the actor table information for a single actor ID.

    Args:
        actor_id: A actor ID to get information about.

    Returns:
        A dictionary with information about the actor ID in question.
    """
    assert isinstance(actor_id, ray.ActorID)
    message = self.redis_client.execute_command(
        "RAY.TABLE_LOOKUP", gcs_utils.TablePrefix.Value("ACTOR"), "", actor_id.binary()
    )
    if message is None:
        return {}
    gcs_entries = gcs_utils.GcsEntry.FromString(message)

    assert len(gcs_entries.entries) > 0
    actor_table_data = gcs_utils.ActorTableData.FromString(gcs_entries.entries[-1])

    actor_info = {
        "ActorID": binary_to_hex(actor_table_data.actor_id),
        "JobID": binary_to_hex(actor_table_data.job_id),
        "Address": {
            "IPAddress": actor_table_data.address.ip_address,
            "Port": actor_table_data.address.port,
        },
        "OwnerAddress": {
            "IPAddress": actor_table_data.owner_address.ip_address,
            "Port": actor_table_data.owner_address.port,
        },
        "IsDirectCall": actor_table_data.is_direct_call,
        "State": actor_table_data.state,
        "Timestamp": actor_table_data.timestamp,
    }

    return actor_info