code: def test_check_sampling_strategy_float_error(ratio, y, type, err_msg):
      with pytest.raises(ValueError, match=err_msg):
          check_sampling_strategy(ratio, y, type)
  
imports: from collections import Counter, OrderedDict
  import numpy
  import pytest
  from sklearn.cluster import KMeans
  from sklearn.neighbors import NearestNeighbors
  from sklearn.neighbors._base import KNeighborsMixin
  from sklearn.utils._testing import assert_array_equal
  from imblearn.utils import check_neighbors_object, check_sampling_strategy, check_target_type
  from imblearn.utils._validation import ArraysTransformer, _deprecate_positional_args, _is_neighbors_object
  from imblearn.utils.testing import _CustomNearestNeighbors
label_desc: Use image node_id 5 for calling a global function with example usage: test_check_sampling_strategy_float_error(ratio, y, type, err_msg) without return types