code: def test_value_counts_complex_numbers(self, dtype):
      # GH 17927
      input_array = np.array(
          [1 + 1j, 1 + 1j, 1, 3j, 3j, 3j], dtype=dtype
      )
      result = Series(input_array).value_counts()
      expected = Series(
          [3, 2, 1],
          index=Index([3j, 1 + 1j, 1], dtype=dtype),
          name="count",
      )
      tm.assert_series_equal(result, expected)
  
file_path: pandas/pandas/tests/series/methods/test_value_counts.py
imports: import numpy
  import pytest
  import pandas
  from pandas import Categorical, CategoricalIndex, Index, Series
  import pandas._testing
label_desc: Use image node_id 9 for calling the TestSeriesValueCounts obj's underlying member method code with example usage: obj.test_value_counts_complex_numbers(dtype) without return types