code: def test_set_names_single_label_no_level(self, index_flat):
      with pytest.raises(TypeError, match="list-like"):
          # should still fail even if it would be the right length
          index_flat.set_names("a")
  
imports: from copy import copy, deepcopy
  import re
  import numpy
  import pytest
  from pandas.compat import IS64
  from pandas.compat.numpy import np_version_gte1p25
  from pandas.core.dtypes.common import is_integer_dtype, is_numeric_dtype
  import pandas
  from pandas import CategoricalIndex, MultiIndex, PeriodIndex, RangeIndex
  import pandas._testing
label_desc: Use image node_id 7 for calling the TestCommon obj's underlying member method code with example usage: obj.test_set_names_single_label_no_level(index_flat) without return types