code: def test_stats_gen_with_header_in_empty_csv_file(self):
      input_data_path = self._write_records_to_csv(
          [], self._get_temp_dir(), "input_data.csv"
      )
  
      with self.assertRaisesRegexp(
          ValueError, "Found empty file when reading the header.*"
      ):
          _ = stats_gen_lib.generate_statistics_from_csv(
              data_location=input_data_path,
              column_names=None,
              delimiter=",",
          )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import gzip
  import os
  import tempfile
  from absl.testing import absltest
  from absl.testing import parameterized
  from apache_beam.io.filesystem import CompressionTypes
  import pandas
  import tensorflow
  from tensorflow_data_validation.statistics import stats_options
  from tensorflow_data_validation.utils import stats_gen_lib
  from tensorflow_data_validation.utils import test_util
  from google.protobuf import text_format
  from tensorflow_metadata.proto.v0 import schema_pb2
  from tensorflow_metadata.proto.v0 import statistics_pb2
label_desc: Use image node_id 15 for calling the StatsGenTest obj's underlying member method code with example usage: obj.test_stats_gen_with_header_in_empty_csv_file() without return types