Ivan Necas created ARROW-10921:
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Summary: `TypeError: 'coroutine' object is not iterable` when
reading parquet partitions via s3fs >= 0.5 with pyarrow
Key: ARROW-10921
URL: https://issues.apache.org/jira/browse/ARROW-10921
Project: Apache Arrow
Issue Type: Bug
Components: Python
Reporter: Ivan Necas
Trying to read partitioned parquet files using updated s3fs {{>= 0.5 (using via
}}{{dask}}), and got this error:
{code:python}
410 files = set()
411
--> 412 for key in list(self.fs._ls(path, refresh=refresh)):
413 path = key['Key']
414 if key['StorageClass'] == 'DIRECTORY':
TypeError: 'coroutine' object is not iterable
{code}
coming from
[https://github.com/apache/arrow/blob/9baa123ea38ee9cc1d3a90cfc9347239cd28064c/python/pyarrow/filesystem.py#L415]
Seems related to switching s3fs to asyncio in
[https://github.com/dask/s3fs/pull/336.|https://github.com/dask/s3fs/pull/336]
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