code: def test_series_pandas_methods_empty(mth):
      arr = np.array([])
      sr = Series(arr)
      psr = pd.Series(arr)
      np.testing.assert_equal(getattr(sr, mth)(), getattr(psr, mth)())
  
file_path: cudf/python/cudf/cudf/tests/test_unaops.py
imports: import itertools
  import operator
  import re
  import numpy
  import pandas
  import pytest
  import cudf
  from cudf import Series
  from cudf.testing import _utils
label_desc: Use image node_id 5 for calling a global function with example usage: test_series_pandas_methods_empty(mth) without return types