Data: PandasBlockAccessor does not have the attribute _munge_conflict

[denadai2]

What happened + What you expected to happen

PandasBlockAccessor does not have the attribute _munge_conflict

  File "/home/ray/.local/lib/python3.10/site-packages/whatif/metrics/evaluator.py", line 187, in get_metrics
    _df = data.aggregate(*[m.agg_fn() for m in self.flat_metrics])
  File "/home/ray/.local/lib/python3.10/site-packages/ray/data/dataset.py", line 2000, in aggregate
    ret = self.groupby(None).aggregate(*aggs).take(1)
  File "/home/ray/.local/lib/python3.10/site-packages/ray/data/dataset.py", line 2460, in take
    for row in limited_ds.iter_rows():
  File "/home/ray/.local/lib/python3.10/site-packages/ray/data/iterator.py", line 245, in _wrapped_iterator
    for batch in batch_iterable:
  File "/home/ray/.local/lib/python3.10/site-packages/ray/data/iterator.py", line 162, in _create_iterator
    block_iterator, stats, blocks_owned_by_consumer = self._to_block_iterator()
  File "/home/ray/.local/lib/python3.10/site-packages/ray/data/_internal/iterator/iterator_impl.py", line 33, in _to_block_iterator
    block_iterator, stats, executor = ds._plan.execute_to_iterator()
  File "/home/ray/.local/lib/python3.10/site-packages/ray/data/exceptions.py", line 86, in handle_trace
    raise e.with_traceback(None) from SystemException()
ray.exceptions.RayTaskError(AttributeError): ray::map() (pid=250386, ip=10.169.90.67)
  File "/home/ray/.local/lib/python3.10/site-packages/ray/data/_internal/planner/exchange/aggregate_task_spec.py", line 57, in map
    parts = [BlockAccessor.for_block(p).combine(key, aggs) for p in partitions]
  File "/home/ray/.local/lib/python3.10/site-packages/ray/data/_internal/planner/exchange/aggregate_task_spec.py", line 57, in <listcomp>
    parts = [BlockAccessor.for_block(p).combine(key, aggs) for p in partitions]
  File "/home/ray/.local/lib/python3.10/site-packages/ray/data/_internal/pandas_block.py", line 492, in combine
    name = self._munge_conflict(name, count[name])
AttributeError: 'PandasBlockAccessor' object has no attribute '_munge_conflict'

ray/python/ray/data/_internal/pandas_block.py

Line 598 in 0395e04

name = PandasBlockAccessor._munge_conflict(

Versions / Dependencies

latest version of ray

Reproduction script

No needed to reproduce as it is a lacking method

Issue Severity

Medium: It is a significant difficulty but I can work around it.