docstr: The total number of bytes that this span tree has produced
  
  See Also
  --------
  distributed.scheduler.TaskGroup.nbytes_total
docstr_tok: ["The","total","number","of","bytes","that","this","span","tree","has","produced","See","Also","--","--","--","--","distributed.scheduler.TaskGroup.nbytes_total"]
code: def nbytes_total(self) -> int:
      """The total number of bytes that this span tree has produced
  
      See Also
      --------
      distributed.scheduler.TaskGroup.nbytes_total
      """
      return sum(tg.nbytes_total for tg in self.traverse_groups())
  
imports: from __future__ import annotations
  import uuid
  import weakref
  from collections import defaultdict
  from collections.abc import Hashable, Iterable, Iterator
  from contextlib import contextmanager
  from itertools import islice
  from typing import TYPE_CHECKING, Any
  import dask.config
  from dask.typing import Key
  from distributed.collections import sum_mappings
  from distributed.itertools import ffill
  from distributed.metrics import time
label_desc: Use image node_id 13 for calling the Span obj's underlying member method code with example usage: obj.nbytes_total() and returns: sum