Dongjoon Hyun created SPARK-54068:
-------------------------------------
Summary: Fix
`pyspark.pandas.tests.connect.io.test_parity_feather.FeatherParityTests.test_to_feather`
in Python 3.14
Key: SPARK-54068
URL: https://issues.apache.org/jira/browse/SPARK-54068
Project: Spark
Issue Type: Sub-task
Components: Connect, PySpark
Affects Versions: 4.1.0
Reporter: Dongjoon Hyun
{code}
======================================================================
ERROR [1.960s]: test_to_feather
(pyspark.pandas.tests.connect.io.test_parity_feather.FeatherParityTests.test_to_feather)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/__w/spark/spark/python/pyspark/pandas/tests/io/test_feather.py", line
43, in test_to_feather
self.psdf.to_feather(path2)
~~~~~~~~~~~~~~~~~~~~^^^^^^^
File "/__w/spark/spark/python/pyspark/pandas/frame.py", line 2702, in
to_feather
return validate_arguments_and_invoke_function(
self._to_internal_pandas(), self.to_feather, pd.DataFrame.to_feather,
args
)
File "/__w/spark/spark/python/pyspark/pandas/utils.py", line 592, in
validate_arguments_and_invoke_function
return pandas_func(**args)
File "/usr/local/lib/python3.14/dist-packages/pandas/core/frame.py", line
2949, in to_feather
to_feather(self, path, **kwargs)
~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/dist-packages/pandas/io/feather_format.py",
line 65, in to_feather
feather.write_feather(df, handles.handle, **kwargs)
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/dist-packages/pyarrow/feather.py", line 156,
in write_feather
table = Table.from_pandas(df, preserve_index=preserve_index)
File "pyarrow/table.pxi", line 4795, in pyarrow.lib.Table.from_pandas
File "/usr/local/lib/python3.14/dist-packages/pyarrow/pandas_compat.py", line
663, in dataframe_to_arrays
pandas_metadata = construct_metadata(
columns_to_convert, df, column_names, index_columns, index_descriptors,
preserve_index, types, column_field_names=column_field_names
)
File "/usr/local/lib/python3.14/dist-packages/pyarrow/pandas_compat.py", line
281, in construct_metadata
b'pandas': json.dumps({
~~~~~~~~~~^^
'index_columns': index_descriptors,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...<7 lines>...
'pandas_version': _pandas_api.version
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
}).encode('utf8')
^^
File "/usr/lib/python3.14/json/__init__.py", line 231, in dumps
return _default_encoder.encode(obj)
~~~~~~~~~~~~~~~~~~~~~~~^^^^^
File "/usr/lib/python3.14/json/encoder.py", line 200, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/lib/python3.14/json/encoder.py", line 261, in iterencode
return _iterencode(o, 0)
File "/usr/lib/python3.14/json/encoder.py", line 180, in default
raise TypeError(f'Object of type {o.__class__.__name__} '
f'is not JSON serializable')
TypeError: Object of type PlanMetrics is not JSON serializable
when serializing list item 0
when serializing dict item 'metrics'
when serializing dict item 'attributes'
{code}
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