[Python][Dataset] Table equality check occasionally fails

[asfimport]

Failing build https://dev.azure.com/ursa-labs/crossbow/_build/results?buildId=5843&view=logs&j=0da5d1d9-276d-5173-c4c4-9d4d4ed14fdb&t=6c939d89-0d1a-51f2-8b30-091a7a82e98c&l=265

    def _check_dataset_from_path(path, table, **kwargs):
        import pathlib
    
        # pathlib object
        assert isinstance(path, pathlib.Path)
        dataset = ds.dataset(ds.source(path, **kwargs))
        assert dataset.schema.equals(table.schema, check_metadata=False)
        result = dataset.to_table()
        assert result.replace_schema_metadata().equals(table)
    
        # string path
        dataset = ds.dataset(ds.source(str(path), **kwargs))
        assert dataset.schema.equals(table.schema, check_metadata=False)
        result = dataset.to_table()
>       assert result.replace_schema_metadata().equals(table)
E       AssertionError: assert False
E        +  where False = <built-in method equals of pyarrow.lib.Table object at 0x7fecacf0cab0>(pyarrow.Table\na: int64\nb: double)
E        +    where <built-in method equals of pyarrow.lib.Table object at 0x7fecacf0cab0> = pyarrow.Table\na: int64\nb: double.equals
E        +      where pyarrow.Table\na: int64\nb: double = <built-in method replace_schema_metadata of pyarrow.lib.Table object at 0x7fecacf0c990>()
E        +        where <built-in method replace_schema_metadata of pyarrow.lib.Table object at 0x7fecacf0c990> = pyarrow.Table\na: int64\nb: double\nmetadata\n--------\nOrderedDict([(b'ARROW:schema',\n              b'/////7AAAAAQAAAAAAAK...AAQAAAAAAAB'\n              b'AiQAAAAUAAAABAAAAAAAAAAIAAwACAAHAAgAAAAAAAABQAAAAAEAAABhAAAA'\n              b'AAAAAA==')]).replace_schema_metadata

Reporter: Krisztian Szucs / @kszucs
Assignee: Krisztian Szucs / @kszucs

PRs and other links:

• GitHub Pull Request #6319

_{Note: This issue was originally created as ARROW-7719. Please see the migration documentation for further details.}

[asfimport]

Antoine Pitrou / @pitrou:
Issue resolved by pull request 6319
#6319