[jira] [Created] (SPARK-41950) mlflow doctest fails for pandas API on SPark

["Hyukjin Kwon (Jira)" <ji...@apache.org>]

Hyukjin Kwon created SPARK-41950:
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             Summary: mlflow doctest fails for pandas API on SPark
                 Key: SPARK-41950
                 URL: https://issues.apache.org/jira/browse/SPARK-41950
             Project: Spark
          Issue Type: Bug
          Components: Pandas API on Spark
    Affects Versions: 3.4.0
            Reporter: Hyukjin Kwon


{code}
File "/__w/spark/spark/python/pyspark/pandas/mlflow.py", line 172, in pyspark.pandas.mlflow.load_model
Failed example:
    prediction_df
Exception raised:
    Traceback (most recent call last):
      File "/usr/lib/python3.9/doctest.py", line 1336, in __run
        exec(compile(example.source, filename, "single",
      File "<doctest pyspark.pandas.mlflow.load_model[18]>", line 1, in <module>
        prediction_df
      File "/__w/spark/spark/python/pyspark/pandas/frame.py", line 13322, in __repr__
        pdf = cast("DataFrame", self._get_or_create_repr_pandas_cache(max_display_count))
      File "/__w/spark/spark/python/pyspark/pandas/frame.py", line 13313, in _get_or_create_repr_pandas_cache
        self, "_repr_pandas_cache", {n: self.head(n + 1)._to_internal_pandas()}
      File "/__w/spark/spark/python/pyspark/pandas/frame.py", line 13308, in _to_internal_pandas
        return self._internal.to_pandas_frame
      File "/__w/spark/spark/python/pyspark/pandas/utils.py", line 588, in wrapped_lazy_property
        setattr(self, attr_name, fn(self))
      File "/__w/spark/spark/python/pyspark/pandas/internal.py", line 1056, in to_pandas_frame
        pdf = sdf.toPandas()
      File "/__w/spark/spark/python/pyspark/sql/pandas/conversion.py", line 208, in toPandas
        pdf = pd.DataFrame.from_records(self.collect(), columns=self.columns)
      File "/__w/spark/spark/python/pyspark/sql/dataframe.py", line 1197, in collect
        sock_info = self._jdf.collectToPython()
      File "/__w/spark/spark/python/lib/py4j-0.10.9.7-src.zip/py4j/java_gateway.py", line 1322, in __call__
        return_value = get_return_value(
      File "/__w/spark/spark/python/pyspark/sql/utils.py", line 209, in deco
        raise converted from None
    pyspark.sql.utils.PythonException: 
      An exception was thrown from the Python worker. Please see the stack trace below.
    Traceback (most recent call last):
      File "/__w/spark/spark/python/lib/pyspark.zip/pyspark/worker.py", line 829, in main
        process()
      File "/__w/spark/spark/python/lib/pyspark.zip/pyspark/worker.py", line 821, in process
        serializer.dump_stream(out_iter, outfile)
      File "/__w/spark/spark/python/lib/pyspark.zip/pyspark/sql/pandas/serializers.py", line 345, in dump_stream
        return ArrowStreamSerializer.dump_stream(self, init_stream_yield_batches(), stream)
      File "/__w/spark/spark/python/lib/pyspark.zip/pyspark/sql/pandas/serializers.py", line 86, in dump_stream
        for batch in iterator:
      File "/__w/spark/spark/python/lib/pyspark.zip/pyspark/sql/pandas/serializers.py", line 338, in init_stream_yield_batches
        for series in iterator:
      File "/__w/spark/spark/python/lib/pyspark.zip/pyspark/worker.py", line 519, in func
        for result_batch, result_type in result_iter:
      File "/usr/local/lib/python3.9/dist-packages/mlflow/pyfunc/__init__.py", line 1253, in udf
        yield _predict_row_batch(batch_predict_fn, row_batch_args)
      File "/usr/local/lib/python3.9/dist-packages/mlflow/pyfunc/__init__.py", line 1057, in _predict_row_batch
        result = predict_fn(pdf)
      File "/usr/local/lib/python3.9/dist-packages/mlflow/pyfunc/__init__.py", line 1237, in batch_predict_fn
        return loaded_model.predict(pdf)
      File "/usr/local/lib/python3.9/dist-packages/mlflow/pyfunc/__init__.py", line 413, in predict
        return self._predict_fn(data)
      File "/usr/local/lib/python3.9/dist-packages/sklearn/linear_model/_base.py", line 355, in predict
        return self._decision_function(X)
      File "/usr/local/lib/python3.9/dist-packages/sklearn/linear_model/_base.py", line 338, in _decision_function
        X = self._validate_data(X, accept_sparse=["csr", "csc", "coo"], reset=False)
      File "/usr/local/lib/python3.9/dist-packages/sklearn/base.py", line 518, in _validate_data
        self._check_feature_names(X, reset=reset)
      File "/usr/local/lib/python3.9/dist-packages/sklearn/base.py", line 451, in _check_feature_names
        raise ValueError(message)
    ValueError: The feature names should match those that were passed during fit.
    Feature names unseen at fit time:
    - 0
    - 1
    Feature names seen at fit time, yet now missing:
    - x1
    - x2
{code}

https://github.com/apache/spark/actions/runs/3871715040/jobs/6600578830



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